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P0303 cylinder #3 misfire
I just started experiencing a rough idle on my 2001 Cherokee (78k
miles). My engine light went on a little after that with the P0303 code. I just replaced the spark plugs, but that didn't help anything. I was thinking about changing the ignition coil or fuel injector. One other possibility I was thinking was checking the cylinder compression (maybe a gasket leak?). Anyone have any suggestions? |
Re: P0303 cylinder #3 misfire
01XJ wrote:
> I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? http://www.obd-codes.com/trouble_cod...e-detected.php For rough idle the first thing to do is clean the throttle body and idle air passage. All it takes is some TB cleaner and an old toothbrush. -- DougW |
Re: P0303 cylinder #3 misfire
01XJ wrote:
> I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? http://www.obd-codes.com/trouble_cod...e-detected.php For rough idle the first thing to do is clean the throttle body and idle air passage. All it takes is some TB cleaner and an old toothbrush. -- DougW |
Re: P0303 cylinder #3 misfire
01XJ wrote:
> I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? http://www.obd-codes.com/trouble_cod...e-detected.php For rough idle the first thing to do is clean the throttle body and idle air passage. All it takes is some TB cleaner and an old toothbrush. -- DougW |
Re: P0303 cylinder #3 misfire
I had the same problem. Turns out on the 00's and 01's, there is a problem
with heat soaking into injector #3 and cuasing a misfire. The fix is a heat wrap availible at the dealer for injector #3. I reset the code, replaced the plug and and haven't had a problem since. HTH Carl "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
I had the same problem. Turns out on the 00's and 01's, there is a problem
with heat soaking into injector #3 and cuasing a misfire. The fix is a heat wrap availible at the dealer for injector #3. I reset the code, replaced the plug and and haven't had a problem since. HTH Carl "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
I had the same problem. Turns out on the 00's and 01's, there is a problem
with heat soaking into injector #3 and cuasing a misfire. The fix is a heat wrap availible at the dealer for injector #3. I reset the code, replaced the plug and and haven't had a problem since. HTH Carl "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
With a misfire, I'd be looking at the plug wires or coil. I'd check plug
wires if there was a distributor, or I'd look at the coil if there was a separate coil for each cylinder, or a coil for every two cylinders. "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
With a misfire, I'd be looking at the plug wires or coil. I'd check plug
wires if there was a distributor, or I'd look at the coil if there was a separate coil for each cylinder, or a coil for every two cylinders. "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
With a misfire, I'd be looking at the plug wires or coil. I'd check plug
wires if there was a distributor, or I'd look at the coil if there was a separate coil for each cylinder, or a coil for every two cylinders. "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
Thanks for the suggestions! I'll start with the heat wrap and see if
that works. On Jan 3, 1:30 pm, "Jeff Strickland" <c...@yahoo.com> wrote: > With a misfire, I'd be looking at the plug wires or coil. I'd check plug > wires if there was a distributor, or I'd look at the coil if there was a > separate coil for each cylinder, or a coil for every two cylinders. > > "01XJ" <adam.tsacouman...@gmail.com> wrote in messagenews:1167779855.090317.153570@v33g2000cwv.g ooglegroups.com... > > >I just started experiencing a rough idle on my 2001 Cherokee (78k > > miles). My engine light went on a little after that with the P0303 > > code. I just replaced the spark plugs, but that didn't help anything. > > I was > > thinking about changing the ignition coil or fuel injector. One other > > possibility I was > > thinking was checking the cylinder compression (maybe a gasket leak?). > > Anyone have any suggestions? |
Re: P0303 cylinder #3 misfire
Thanks for the suggestions! I'll start with the heat wrap and see if
that works. On Jan 3, 1:30 pm, "Jeff Strickland" <c...@yahoo.com> wrote: > With a misfire, I'd be looking at the plug wires or coil. I'd check plug > wires if there was a distributor, or I'd look at the coil if there was a > separate coil for each cylinder, or a coil for every two cylinders. > > "01XJ" <adam.tsacouman...@gmail.com> wrote in messagenews:1167779855.090317.153570@v33g2000cwv.g ooglegroups.com... > > >I just started experiencing a rough idle on my 2001 Cherokee (78k > > miles). My engine light went on a little after that with the P0303 > > code. I just replaced the spark plugs, but that didn't help anything. > > I was > > thinking about changing the ignition coil or fuel injector. One other > > possibility I was > > thinking was checking the cylinder compression (maybe a gasket leak?). > > Anyone have any suggestions? |
Re: P0303 cylinder #3 misfire
Thanks for the suggestions! I'll start with the heat wrap and see if
that works. On Jan 3, 1:30 pm, "Jeff Strickland" <c...@yahoo.com> wrote: > With a misfire, I'd be looking at the plug wires or coil. I'd check plug > wires if there was a distributor, or I'd look at the coil if there was a > separate coil for each cylinder, or a coil for every two cylinders. > > "01XJ" <adam.tsacouman...@gmail.com> wrote in messagenews:1167779855.090317.153570@v33g2000cwv.g ooglegroups.com... > > >I just started experiencing a rough idle on my 2001 Cherokee (78k > > miles). My engine light went on a little after that with the P0303 > > code. I just replaced the spark plugs, but that didn't help anything. > > I was > > thinking about changing the ignition coil or fuel injector. One other > > possibility I was > > thinking was checking the cylinder compression (maybe a gasket leak?). > > Anyone have any suggestions? |
Re: P0303 cylinder #3 misfire
Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil
packs. Carl "Jeff Strickland" <crwlr@yahoo.com> wrote in message news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... > With a misfire, I'd be looking at the plug wires or coil. I'd check plug > wires if there was a distributor, or I'd look at the coil if there was a > separate coil for each cylinder, or a coil for every two cylinders. > > > > "01XJ" <adam.tsacoumangos@gmail.com> wrote in message > news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>I just started experiencing a rough idle on my 2001 Cherokee (78k >> miles). My engine light went on a little after that with the P0303 >> code. I just replaced the spark plugs, but that didn't help anything. >> I was >> thinking about changing the ignition coil or fuel injector. One other >> possibility I was >> thinking was checking the cylinder compression (maybe a gasket leak?). >> Anyone have any suggestions? >> > |
Re: P0303 cylinder #3 misfire
Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil
packs. Carl "Jeff Strickland" <crwlr@yahoo.com> wrote in message news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... > With a misfire, I'd be looking at the plug wires or coil. I'd check plug > wires if there was a distributor, or I'd look at the coil if there was a > separate coil for each cylinder, or a coil for every two cylinders. > > > > "01XJ" <adam.tsacoumangos@gmail.com> wrote in message > news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>I just started experiencing a rough idle on my 2001 Cherokee (78k >> miles). My engine light went on a little after that with the P0303 >> code. I just replaced the spark plugs, but that didn't help anything. >> I was >> thinking about changing the ignition coil or fuel injector. One other >> possibility I was >> thinking was checking the cylinder compression (maybe a gasket leak?). >> Anyone have any suggestions? >> > |
Re: P0303 cylinder #3 misfire
Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil
packs. Carl "Jeff Strickland" <crwlr@yahoo.com> wrote in message news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... > With a misfire, I'd be looking at the plug wires or coil. I'd check plug > wires if there was a distributor, or I'd look at the coil if there was a > separate coil for each cylinder, or a coil for every two cylinders. > > > > "01XJ" <adam.tsacoumangos@gmail.com> wrote in message > news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>I just started experiencing a rough idle on my 2001 Cherokee (78k >> miles). My engine light went on a little after that with the P0303 >> code. I just replaced the spark plugs, but that didn't help anything. >> I was >> thinking about changing the ignition coil or fuel injector. One other >> possibility I was >> thinking was checking the cylinder compression (maybe a gasket leak?). >> Anyone have any suggestions? >> > |
Re: P0303 cylinder #3 misfire
Interesting that you posted this at this time. I have a 2001 TJ with the 2.5
L with the same problem except I have a P0302 code. It is skipping bad. I am lucky enough to have an independent shop locally with a good, smart, reliable crew who has never tried to stiff me on any repair work. Dropped it off there yesterday and called them today to get some news. They found that one of the bridges across the valve rocker arms on cylinder two had broken. Part will be in tomorrow. Just more information for you in case you run into a dead end eventually. Hope this helps. Les "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
Interesting that you posted this at this time. I have a 2001 TJ with the 2.5
L with the same problem except I have a P0302 code. It is skipping bad. I am lucky enough to have an independent shop locally with a good, smart, reliable crew who has never tried to stiff me on any repair work. Dropped it off there yesterday and called them today to get some news. They found that one of the bridges across the valve rocker arms on cylinder two had broken. Part will be in tomorrow. Just more information for you in case you run into a dead end eventually. Hope this helps. Les "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
Interesting that you posted this at this time. I have a 2001 TJ with the 2.5
L with the same problem except I have a P0302 code. It is skipping bad. I am lucky enough to have an independent shop locally with a good, smart, reliable crew who has never tried to stiff me on any repair work. Dropped it off there yesterday and called them today to get some news. They found that one of the bridges across the valve rocker arms on cylinder two had broken. Part will be in tomorrow. Just more information for you in case you run into a dead end eventually. Hope this helps. Les "01XJ" <adam.tsacoumangos@gmail.com> wrote in message news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >I just started experiencing a rough idle on my 2001 Cherokee (78k > miles). My engine light went on a little after that with the P0303 > code. I just replaced the spark plugs, but that didn't help anything. > I was > thinking about changing the ignition coil or fuel injector. One other > possibility I was > thinking was checking the cylinder compression (maybe a gasket leak?). > Anyone have any suggestions? > |
Re: P0303 cylinder #3 misfire
Carl wrote:
> Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three > coil packs. Some rails can develop internal leaks that cause misfire. If you can, try swapping packs and see if the problem moves. If it moves, it's the pack. If it doesn't move, it could be the coil rail. If you have a good rpm gauge or ears you can try this. With the engine running, disconnect the injectors one at a time (just one at any one time though) and listen. There should be exactly the same drop in rpm. If you lift #3 and there is little drop then the injector or the feed to that injector might be bad. A mechanic stethescope placed on each injector will also give you a clue as to how they are working. They should have a clanging sound and not a dull thunk. Also remember, with coil rails and packs, plugs fire in pairs. I think this is the correct pairing. don't have the schematic to look at. 1 5 3 6 2 4 1 6 5 2 3 4 -- DougW |
Re: P0303 cylinder #3 misfire
Carl wrote:
> Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three > coil packs. Some rails can develop internal leaks that cause misfire. If you can, try swapping packs and see if the problem moves. If it moves, it's the pack. If it doesn't move, it could be the coil rail. If you have a good rpm gauge or ears you can try this. With the engine running, disconnect the injectors one at a time (just one at any one time though) and listen. There should be exactly the same drop in rpm. If you lift #3 and there is little drop then the injector or the feed to that injector might be bad. A mechanic stethescope placed on each injector will also give you a clue as to how they are working. They should have a clanging sound and not a dull thunk. Also remember, with coil rails and packs, plugs fire in pairs. I think this is the correct pairing. don't have the schematic to look at. 1 5 3 6 2 4 1 6 5 2 3 4 -- DougW |
Re: P0303 cylinder #3 misfire
Carl wrote:
> Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three > coil packs. Some rails can develop internal leaks that cause misfire. If you can, try swapping packs and see if the problem moves. If it moves, it's the pack. If it doesn't move, it could be the coil rail. If you have a good rpm gauge or ears you can try this. With the engine running, disconnect the injectors one at a time (just one at any one time though) and listen. There should be exactly the same drop in rpm. If you lift #3 and there is little drop then the injector or the feed to that injector might be bad. A mechanic stethescope placed on each injector will also give you a clue as to how they are working. They should have a clanging sound and not a dull thunk. Also remember, with coil rails and packs, plugs fire in pairs. I think this is the correct pairing. don't have the schematic to look at. 1 5 3 6 2 4 1 6 5 2 3 4 -- DougW |
Re: P0303 cylinder #3 misfire
So, one of the coils is bad.
"Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil > packs. > > Carl > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug >> wires if there was a distributor, or I'd look at the coil if there was a >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>> miles). My engine light went on a little after that with the P0303 >>> code. I just replaced the spark plugs, but that didn't help anything. >>> I was >>> thinking about changing the ignition coil or fuel injector. One other >>> possibility I was >>> thinking was checking the cylinder compression (maybe a gasket leak?). >>> Anyone have any suggestions? >>> >> > > |
Re: P0303 cylinder #3 misfire
So, one of the coils is bad.
"Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil > packs. > > Carl > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug >> wires if there was a distributor, or I'd look at the coil if there was a >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>> miles). My engine light went on a little after that with the P0303 >>> code. I just replaced the spark plugs, but that didn't help anything. >>> I was >>> thinking about changing the ignition coil or fuel injector. One other >>> possibility I was >>> thinking was checking the cylinder compression (maybe a gasket leak?). >>> Anyone have any suggestions? >>> >> > > |
Re: P0303 cylinder #3 misfire
So, one of the coils is bad.
"Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil > packs. > > Carl > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug >> wires if there was a distributor, or I'd look at the coil if there was a >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>> miles). My engine light went on a little after that with the P0303 >>> code. I just replaced the spark plugs, but that didn't help anything. >>> I was >>> thinking about changing the ignition coil or fuel injector. One other >>> possibility I was >>> thinking was checking the cylinder compression (maybe a gasket leak?). >>> Anyone have any suggestions? >>> >> > > |
Re: P0303 cylinder #3 misfire
Or it's electronic plug and socket are dirty.....
Mike Jeff Strickland wrote: > > So, one of the coils is bad. > > "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message > news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. > > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil > > packs. > > > > Carl > > > > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... > >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug > >> wires if there was a distributor, or I'd look at the coil if there was a > >> separate coil for each cylinder, or a coil for every two cylinders. > >> > >> > >> > >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message > >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... > >>>I just started experiencing a rough idle on my 2001 Cherokee (78k > >>> miles). My engine light went on a little after that with the P0303 > >>> code. I just replaced the spark plugs, but that didn't help anything. > >>> I was > >>> thinking about changing the ignition coil or fuel injector. One other > >>> possibility I was > >>> thinking was checking the cylinder compression (maybe a gasket leak?). > >>> Anyone have any suggestions? > >>> > >> > > > > |
Re: P0303 cylinder #3 misfire
Or it's electronic plug and socket are dirty.....
Mike Jeff Strickland wrote: > > So, one of the coils is bad. > > "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message > news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. > > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil > > packs. > > > > Carl > > > > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... > >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug > >> wires if there was a distributor, or I'd look at the coil if there was a > >> separate coil for each cylinder, or a coil for every two cylinders. > >> > >> > >> > >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message > >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... > >>>I just started experiencing a rough idle on my 2001 Cherokee (78k > >>> miles). My engine light went on a little after that with the P0303 > >>> code. I just replaced the spark plugs, but that didn't help anything. > >>> I was > >>> thinking about changing the ignition coil or fuel injector. One other > >>> possibility I was > >>> thinking was checking the cylinder compression (maybe a gasket leak?). > >>> Anyone have any suggestions? > >>> > >> > > > > |
Re: P0303 cylinder #3 misfire
Or it's electronic plug and socket are dirty.....
Mike Jeff Strickland wrote: > > So, one of the coils is bad. > > "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message > news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. > > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil > > packs. > > > > Carl > > > > > > "Jeff Strickland" <crwlr@yahoo.com> wrote in message > > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... > >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug > >> wires if there was a distributor, or I'd look at the coil if there was a > >> separate coil for each cylinder, or a coil for every two cylinders. > >> > >> > >> > >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message > >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... > >>>I just started experiencing a rough idle on my 2001 Cherokee (78k > >>> miles). My engine light went on a little after that with the P0303 > >>> code. I just replaced the spark plugs, but that didn't help anything. > >>> I was > >>> thinking about changing the ignition coil or fuel injector. One other > >>> possibility I was > >>> thinking was checking the cylinder compression (maybe a gasket leak?). > >>> Anyone have any suggestions? > >>> > >> > > > > |
Re: P0303 cylinder #3 misfire
There is only one plug, at the rear of coil rail. Three coil packs are on
the rail. Carl "Mike Romain" <romainm@sympatico.ca> wrote in message news:45A04DC2.B475BFB1@sympatico.ca... > Or it's electronic plug and socket are dirty..... > > Mike > > Jeff Strickland wrote: >> >> So, one of the coils is bad. >> >> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >> > coil >> > packs. >> > >> > Carl >> > >> > >> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >> >> plug >> >> wires if there was a distributor, or I'd look at the coil if there was >> >> a >> >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >> >>> miles). My engine light went on a little after that with the P0303 >> >>> code. I just replaced the spark plugs, but that didn't help >> >>> anything. >> >>> I was >> >>> thinking about changing the ignition coil or fuel injector. One >> >>> other >> >>> possibility I was >> >>> thinking was checking the cylinder compression (maybe a gasket >> >>> leak?). >> >>> Anyone have any suggestions? >> >>> >> >> >> > >> > |
Re: P0303 cylinder #3 misfire
There is only one plug, at the rear of coil rail. Three coil packs are on
the rail. Carl "Mike Romain" <romainm@sympatico.ca> wrote in message news:45A04DC2.B475BFB1@sympatico.ca... > Or it's electronic plug and socket are dirty..... > > Mike > > Jeff Strickland wrote: >> >> So, one of the coils is bad. >> >> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >> > coil >> > packs. >> > >> > Carl >> > >> > >> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >> >> plug >> >> wires if there was a distributor, or I'd look at the coil if there was >> >> a >> >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >> >>> miles). My engine light went on a little after that with the P0303 >> >>> code. I just replaced the spark plugs, but that didn't help >> >>> anything. >> >>> I was >> >>> thinking about changing the ignition coil or fuel injector. One >> >>> other >> >>> possibility I was >> >>> thinking was checking the cylinder compression (maybe a gasket >> >>> leak?). >> >>> Anyone have any suggestions? >> >>> >> >> >> > >> > |
Re: P0303 cylinder #3 misfire
There is only one plug, at the rear of coil rail. Three coil packs are on
the rail. Carl "Mike Romain" <romainm@sympatico.ca> wrote in message news:45A04DC2.B475BFB1@sympatico.ca... > Or it's electronic plug and socket are dirty..... > > Mike > > Jeff Strickland wrote: >> >> So, one of the coils is bad. >> >> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >> > coil >> > packs. >> > >> > Carl >> > >> > >> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >> >> plug >> >> wires if there was a distributor, or I'd look at the coil if there was >> >> a >> >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >> >>> miles). My engine light went on a little after that with the P0303 >> >>> code. I just replaced the spark plugs, but that didn't help >> >>> anything. >> >>> I was >> >>> thinking about changing the ignition coil or fuel injector. One >> >>> other >> >>> possibility I was >> >>> thinking was checking the cylinder compression (maybe a gasket >> >>> leak?). >> >>> Anyone have any suggestions? >> >>> >> >> >> > >> > |
Re: P0303 cylinder #3 misfire
A bad connection would kill either 2 or all cylinders.
On Sat, 06 Jan 2007 20:32:50 -0500, Mike Romain <romainm@sympatico.ca> wrote: >Or it's electronic plug and socket are dirty..... > >Mike > >Jeff Strickland wrote: >> >> So, one of the coils is bad. >> >> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil >> > packs. >> > >> > Carl >> > >> > >> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug >> >> wires if there was a distributor, or I'd look at the coil if there was a >> >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >> >>> miles). My engine light went on a little after that with the P0303 >> >>> code. I just replaced the spark plugs, but that didn't help anything. >> >>> I was >> >>> thinking about changing the ignition coil or fuel injector. One other >> >>> possibility I was >> >>> thinking was checking the cylinder compression (maybe a gasket leak?). >> >>> Anyone have any suggestions? >> >>> >> >> >> > >> > |
Re: P0303 cylinder #3 misfire
A bad connection would kill either 2 or all cylinders.
On Sat, 06 Jan 2007 20:32:50 -0500, Mike Romain <romainm@sympatico.ca> wrote: >Or it's electronic plug and socket are dirty..... > >Mike > >Jeff Strickland wrote: >> >> So, one of the coils is bad. >> >> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil >> > packs. >> > >> > Carl >> > >> > >> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug >> >> wires if there was a distributor, or I'd look at the coil if there was a >> >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >> >>> miles). My engine light went on a little after that with the P0303 >> >>> code. I just replaced the spark plugs, but that didn't help anything. >> >>> I was >> >>> thinking about changing the ignition coil or fuel injector. One other >> >>> possibility I was >> >>> thinking was checking the cylinder compression (maybe a gasket leak?). >> >>> Anyone have any suggestions? >> >>> >> >> >> > >> > |
Re: P0303 cylinder #3 misfire
A bad connection would kill either 2 or all cylinders.
On Sat, 06 Jan 2007 20:32:50 -0500, Mike Romain <romainm@sympatico.ca> wrote: >Or it's electronic plug and socket are dirty..... > >Mike > >Jeff Strickland wrote: >> >> So, one of the coils is bad. >> >> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three coil >> > packs. >> > >> > Carl >> > >> > >> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >> >> With a misfire, I'd be looking at the plug wires or coil. I'd check plug >> >> wires if there was a distributor, or I'd look at the coil if there was a >> >> separate coil for each cylinder, or a coil for every two cylinders. >> >> >> >> >> >> >> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >> >>> miles). My engine light went on a little after that with the P0303 >> >>> code. I just replaced the spark plugs, but that didn't help anything. >> >>> I was >> >>> thinking about changing the ignition coil or fuel injector. One other >> >>> possibility I was >> >>> thinking was checking the cylinder compression (maybe a gasket leak?). >> >>> Anyone have any suggestions? >> >>> >> >> >> > >> > |
Re: P0303 cylinder #3 misfire
If a coil was bad then two cylinders
(3 and 4) would be misfiring. "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message news:HcydnY4gbqNLxD3YnZ2dnUVZ_rWnnZ2d@comcast.com. .. > There is only one plug, at the rear of coil rail. Three coil packs are on > the rail. > > Carl > > > "Mike Romain" <romainm@sympatico.ca> wrote in message > news:45A04DC2.B475BFB1@sympatico.ca... >> Or it's electronic plug and socket are dirty..... >> >> Mike >> >> Jeff Strickland wrote: >>> >>> So, one of the coils is bad. >>> >>> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >>> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >>> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >>> > coil >>> > packs. >>> > >>> > Carl >>> > >>> > >>> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >>> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >>> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >>> >> plug >>> >> wires if there was a distributor, or I'd look at the coil if there >>> >> was a >>> >> separate coil for each cylinder, or a coil for every two cylinders. >>> >> >>> >> >>> >> >>> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >>> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>> >>> miles). My engine light went on a little after that with the P0303 >>> >>> code. I just replaced the spark plugs, but that didn't help >>> >>> anything. >>> >>> I was >>> >>> thinking about changing the ignition coil or fuel injector. One >>> >>> other >>> >>> possibility I was >>> >>> thinking was checking the cylinder compression (maybe a gasket >>> >>> leak?). >>> >>> Anyone have any suggestions? >>> >>> >>> >> >>> > >>> > > > |
Re: P0303 cylinder #3 misfire
If a coil was bad then two cylinders
(3 and 4) would be misfiring. "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message news:HcydnY4gbqNLxD3YnZ2dnUVZ_rWnnZ2d@comcast.com. .. > There is only one plug, at the rear of coil rail. Three coil packs are on > the rail. > > Carl > > > "Mike Romain" <romainm@sympatico.ca> wrote in message > news:45A04DC2.B475BFB1@sympatico.ca... >> Or it's electronic plug and socket are dirty..... >> >> Mike >> >> Jeff Strickland wrote: >>> >>> So, one of the coils is bad. >>> >>> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >>> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >>> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >>> > coil >>> > packs. >>> > >>> > Carl >>> > >>> > >>> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >>> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >>> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >>> >> plug >>> >> wires if there was a distributor, or I'd look at the coil if there >>> >> was a >>> >> separate coil for each cylinder, or a coil for every two cylinders. >>> >> >>> >> >>> >> >>> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >>> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>> >>> miles). My engine light went on a little after that with the P0303 >>> >>> code. I just replaced the spark plugs, but that didn't help >>> >>> anything. >>> >>> I was >>> >>> thinking about changing the ignition coil or fuel injector. One >>> >>> other >>> >>> possibility I was >>> >>> thinking was checking the cylinder compression (maybe a gasket >>> >>> leak?). >>> >>> Anyone have any suggestions? >>> >>> >>> >> >>> > >>> > > > |
Re: P0303 cylinder #3 misfire
If a coil was bad then two cylinders
(3 and 4) would be misfiring. "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message news:HcydnY4gbqNLxD3YnZ2dnUVZ_rWnnZ2d@comcast.com. .. > There is only one plug, at the rear of coil rail. Three coil packs are on > the rail. > > Carl > > > "Mike Romain" <romainm@sympatico.ca> wrote in message > news:45A04DC2.B475BFB1@sympatico.ca... >> Or it's electronic plug and socket are dirty..... >> >> Mike >> >> Jeff Strickland wrote: >>> >>> So, one of the coils is bad. >>> >>> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >>> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >>> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >>> > coil >>> > packs. >>> > >>> > Carl >>> > >>> > >>> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >>> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >>> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >>> >> plug >>> >> wires if there was a distributor, or I'd look at the coil if there >>> >> was a >>> >> separate coil for each cylinder, or a coil for every two cylinders. >>> >> >>> >> >>> >> >>> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >>> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>> >>> miles). My engine light went on a little after that with the P0303 >>> >>> code. I just replaced the spark plugs, but that didn't help >>> >>> anything. >>> >>> I was >>> >>> thinking about changing the ignition coil or fuel injector. One >>> >>> other >>> >>> possibility I was >>> >>> thinking was checking the cylinder compression (maybe a gasket >>> >>> leak?). >>> >>> Anyone have any suggestions? >>> >>> >>> >> >>> > >>> > > > |
Re: P0303 cylinder #3 misfire
agreed.
"billy ray" <billy_ray@SPAMfuse.net> wrote in message news:65411$45a0b8d6$422afc51$17145@FUSE.NET... > If a coil was bad then two cylinders > (3 and 4) would be misfiring. > > > "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message > news:HcydnY4gbqNLxD3YnZ2dnUVZ_rWnnZ2d@comcast.com. .. >> There is only one plug, at the rear of coil rail. Three coil packs are on >> the rail. >> >> Carl >> >> >> "Mike Romain" <romainm@sympatico.ca> wrote in message >> news:45A04DC2.B475BFB1@sympatico.ca... >>> Or it's electronic plug and socket are dirty..... >>> >>> Mike >>> >>> Jeff Strickland wrote: >>>> >>>> So, one of the coils is bad. >>>> >>>> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >>>> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >>>> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >>>> > coil >>>> > packs. >>>> > >>>> > Carl >>>> > >>>> > >>>> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >>>> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >>>> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >>>> >> plug >>>> >> wires if there was a distributor, or I'd look at the coil if there >>>> >> was a >>>> >> separate coil for each cylinder, or a coil for every two cylinders. >>>> >> >>>> >> >>>> >> >>>> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >>>> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>>> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>>> >>> miles). My engine light went on a little after that with the P0303 >>>> >>> code. I just replaced the spark plugs, but that didn't help >>>> >>> anything. >>>> >>> I was >>>> >>> thinking about changing the ignition coil or fuel injector. One >>>> >>> other >>>> >>> possibility I was >>>> >>> thinking was checking the cylinder compression (maybe a gasket >>>> >>> leak?). >>>> >>> Anyone have any suggestions? >>>> >>> >>>> >> >>>> > >>>> > >> >> > > |
Re: P0303 cylinder #3 misfire
agreed.
"billy ray" <billy_ray@SPAMfuse.net> wrote in message news:65411$45a0b8d6$422afc51$17145@FUSE.NET... > If a coil was bad then two cylinders > (3 and 4) would be misfiring. > > > "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message > news:HcydnY4gbqNLxD3YnZ2dnUVZ_rWnnZ2d@comcast.com. .. >> There is only one plug, at the rear of coil rail. Three coil packs are on >> the rail. >> >> Carl >> >> >> "Mike Romain" <romainm@sympatico.ca> wrote in message >> news:45A04DC2.B475BFB1@sympatico.ca... >>> Or it's electronic plug and socket are dirty..... >>> >>> Mike >>> >>> Jeff Strickland wrote: >>>> >>>> So, one of the coils is bad. >>>> >>>> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >>>> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >>>> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >>>> > coil >>>> > packs. >>>> > >>>> > Carl >>>> > >>>> > >>>> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >>>> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >>>> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >>>> >> plug >>>> >> wires if there was a distributor, or I'd look at the coil if there >>>> >> was a >>>> >> separate coil for each cylinder, or a coil for every two cylinders. >>>> >> >>>> >> >>>> >> >>>> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >>>> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>>> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>>> >>> miles). My engine light went on a little after that with the P0303 >>>> >>> code. I just replaced the spark plugs, but that didn't help >>>> >>> anything. >>>> >>> I was >>>> >>> thinking about changing the ignition coil or fuel injector. One >>>> >>> other >>>> >>> possibility I was >>>> >>> thinking was checking the cylinder compression (maybe a gasket >>>> >>> leak?). >>>> >>> Anyone have any suggestions? >>>> >>> >>>> >> >>>> > >>>> > >> >> > > |
Re: P0303 cylinder #3 misfire
agreed.
"billy ray" <billy_ray@SPAMfuse.net> wrote in message news:65411$45a0b8d6$422afc51$17145@FUSE.NET... > If a coil was bad then two cylinders > (3 and 4) would be misfiring. > > > "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message > news:HcydnY4gbqNLxD3YnZ2dnUVZ_rWnnZ2d@comcast.com. .. >> There is only one plug, at the rear of coil rail. Three coil packs are on >> the rail. >> >> Carl >> >> >> "Mike Romain" <romainm@sympatico.ca> wrote in message >> news:45A04DC2.B475BFB1@sympatico.ca... >>> Or it's electronic plug and socket are dirty..... >>> >>> Mike >>> >>> Jeff Strickland wrote: >>>> >>>> So, one of the coils is bad. >>>> >>>> "Carl" <carlsaiyed@hotmailREMOVE.com> wrote in message >>>> news:bdqdnb4NANz57QHYnZ2dnUVZ_tOmnZ2d@comcast.com. .. >>>> > Jeff, no plug wires or dist cap on an 00 and 01. Coil rail with three >>>> > coil >>>> > packs. >>>> > >>>> > Carl >>>> > >>>> > >>>> > "Jeff Strickland" <crwlr@yahoo.com> wrote in message >>>> > news:OfidnY5u3NmnmQHYnZ2dnUVZ_h6jnZ2d@ez2.net... >>>> >> With a misfire, I'd be looking at the plug wires or coil. I'd check >>>> >> plug >>>> >> wires if there was a distributor, or I'd look at the coil if there >>>> >> was a >>>> >> separate coil for each cylinder, or a coil for every two cylinders. >>>> >> >>>> >> >>>> >> >>>> >> "01XJ" <adam.tsacoumangos@gmail.com> wrote in message >>>> >> news:1167779855.090317.153570@v33g2000cwv.googlegr oups.com... >>>> >>>I just started experiencing a rough idle on my 2001 Cherokee (78k >>>> >>> miles). My engine light went on a little after that with the P0303 >>>> >>> code. I just replaced the spark plugs, but that didn't help >>>> >>> anything. >>>> >>> I was >>>> >>> thinking about changing the ignition coil or fuel injector. One >>>> >>> other >>>> >>> possibility I was >>>> >>> thinking was checking the cylinder compression (maybe a gasket >>>> >>> leak?). >>>> >>> Anyone have any suggestions? >>>> >>> >>>> >> >>>> > >>>> > >> >> > > |
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