P0303 cylinder #3 misfire
01-06-2007, 09:24 PM
#31
Guest
Posts: n/a
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?
>> >>>
>> >>
>> >
>> >
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?
>> >>>
>> >>
>> >
>> >
01-07-2007, 12:21 AM
#32
Guest
Posts: n/a
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?
>> >>>
>> >>
>> >
>> >
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?
>> >>>
>> >>
>> >
>> >
01-07-2007, 12:21 AM
#33
Guest
Posts: n/a
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?
>> >>>
>> >>
>> >
>> >
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?
>> >>>
>> >>
>> >
>> >
01-07-2007, 12:21 AM
#34
Guest
Posts: n/a
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?
>> >>>
>> >>
>> >
>> >
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?
>> >>>
>> >>
>> >
>> >
01-07-2007, 04:08 AM
#35
Guest
Posts: n/a
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?
>>> >>>
>>> >>
>>> >
>>> >
>
>
(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?
>>> >>>
>>> >>
>>> >
>>> >
>
>
01-07-2007, 04:08 AM
#36
Guest
Posts: n/a
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?
>>> >>>
>>> >>
>>> >
>>> >
>
>
(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?
>>> >>>
>>> >>
>>> >
>>> >
>
>
01-07-2007, 04:08 AM
#37
Guest
Posts: n/a
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?
>>> >>>
>>> >>
>>> >
>>> >
>
>
(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?
>>> >>>
>>> >>
>>> >
>>> >
>
>
01-07-2007, 04:24 AM
#38
Guest
Posts: n/a
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?
>>>> >>>
>>>> >>
>>>> >
>>>> >
>>
>>
>
>
"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?
>>>> >>>
>>>> >>
>>>> >
>>>> >
>>
>>
>
>
01-07-2007, 04:24 AM
#39
Guest
Posts: n/a
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?
>>>> >>>
>>>> >>
>>>> >
>>>> >
>>
>>
>
>
"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?
>>>> >>>
>>>> >>
>>>> >
>>>> >
>>
>>
>
>
01-07-2007, 04:24 AM
#40
Guest
Posts: n/a
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?
>>>> >>>
>>>> >>
>>>> >
>>>> >
>>
>>
>
>
"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?
>>>> >>>
>>>> >>
>>>> >
>>>> >
>>
>>
>
>