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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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