Re: Help with rough idle and acceleration - TIA
 

not on that coil pac

Billy Ray wrote:

> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>
> --
> .
> Billy_Ray@SPAM.fuse.net (remove SPAM)
> 2002 Jeep WJ 4 Liter Automatic
> Brilliant Black Crystal Pearl Coat
> Sharing is why we are all here....... or should be.
> .
> "tim bur" <dbrider@cac.net> wrote in message
> news:43236F02.32C2328F@cac.net...
> > fouled spark plug, failed injector, and a failed coil pac ,
> >
> > ken859@optonline.net wrote:
> >
> >> 2004 Jeep Grand Cherokee Limited
> >> Inline 6 Cylinder Engine
> >> Automatic Transmission
> >> Stock - No modifications
> >>
> >> Symptoms:
> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
> >> and the car starts shaking rapidly. When you accelerate the car
> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
> >> pressing the accelerator slightly to maintain a steady velocity (which
> >> is about 1500RPM) the car will experience the shake while driving.
> >> Moderate acceleration the problem goes away. Lifting off of the gas
> >> and the problem goes away until the above rpm range is reached and
> >> then problem comes back
> >>
> >> Followup:
> >> Computer diagnostics indicates a miss fire on cylinder # 5
> >>
> >> Question:
> >> Could this be a clogged injector or are there other suggestions?
> >>
> >> TIA Ken
> >

Re: Help with rough idle and acceleration - TIA
 

not on that coil pac

Billy Ray wrote:

> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>
> --
> .
> Billy_Ray@SPAM.fuse.net (remove SPAM)
> 2002 Jeep WJ 4 Liter Automatic
> Brilliant Black Crystal Pearl Coat
> Sharing is why we are all here....... or should be.
> .
> "tim bur" <dbrider@cac.net> wrote in message
> news:43236F02.32C2328F@cac.net...
> > fouled spark plug, failed injector, and a failed coil pac ,
> >
> > ken859@optonline.net wrote:
> >
> >> 2004 Jeep Grand Cherokee Limited
> >> Inline 6 Cylinder Engine
> >> Automatic Transmission
> >> Stock - No modifications
> >>
> >> Symptoms:
> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
> >> and the car starts shaking rapidly. When you accelerate the car
> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
> >> pressing the accelerator slightly to maintain a steady velocity (which
> >> is about 1500RPM) the car will experience the shake while driving.
> >> Moderate acceleration the problem goes away. Lifting off of the gas
> >> and the problem goes away until the above rpm range is reached and
> >> then problem comes back
> >>
> >> Followup:
> >> Computer diagnostics indicates a miss fire on cylinder # 5
> >>
> >> Question:
> >> Could this be a clogged injector or are there other suggestions?
> >>
> >> TIA Ken
> >

Re: Help with rough idle and acceleration - TIA
 

not on that coil pac

Billy Ray wrote:

> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>
> --
> .
> Billy_Ray@SPAM.fuse.net (remove SPAM)
> 2002 Jeep WJ 4 Liter Automatic
> Brilliant Black Crystal Pearl Coat
> Sharing is why we are all here....... or should be.
> .
> "tim bur" <dbrider@cac.net> wrote in message
> news:43236F02.32C2328F@cac.net...
> > fouled spark plug, failed injector, and a failed coil pac ,
> >
> > ken859@optonline.net wrote:
> >
> >> 2004 Jeep Grand Cherokee Limited
> >> Inline 6 Cylinder Engine
> >> Automatic Transmission
> >> Stock - No modifications
> >>
> >> Symptoms:
> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
> >> and the car starts shaking rapidly. When you accelerate the car
> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
> >> pressing the accelerator slightly to maintain a steady velocity (which
> >> is about 1500RPM) the car will experience the shake while driving.
> >> Moderate acceleration the problem goes away. Lifting off of the gas
> >> and the problem goes away until the above rpm range is reached and
> >> then problem comes back
> >>
> >> Followup:
> >> Computer diagnostics indicates a miss fire on cylinder # 5
> >>
> >> Question:
> >> Could this be a clogged injector or are there other suggestions?
> >>
> >> TIA Ken
> >

Re: Help with rough idle and acceleration - TIA
 

They sure as hell do!


In message <43249F9E.6F32B587@cac.net>, "tim bur" wrote:

>not on that coil pac
>
>Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >

Re: Help with rough idle and acceleration - TIA
 

They sure as hell do!


In message <43249F9E.6F32B587@cac.net>, "tim bur" wrote:

>not on that coil pac
>
>Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >

Re: Help with rough idle and acceleration - TIA
 

They sure as hell do!


In message <43249F9E.6F32B587@cac.net>, "tim bur" wrote:

>not on that coil pac
>
>Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >

Re: Help with rough idle and acceleration - TIA
 

They sure as hell do!


In message <43249F9E.6F32B587@cac.net>, "tim bur" wrote:

>not on that coil pac
>
>Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >

Re: Help with rough idle and acceleration - TIA
 

That's the 4.0L, not the V-8. 4.0L I-6 uses three coil packs, one per two
plugs.

"tim bur" <dbrider@cac.net> wrote in message
news:43249F9E.6F32B587@cac.net...
> not on that coil pac
>
> Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >
>

Re: Help with rough idle and acceleration - TIA
 

That's the 4.0L, not the V-8. 4.0L I-6 uses three coil packs, one per two
plugs.

"tim bur" <dbrider@cac.net> wrote in message
news:43249F9E.6F32B587@cac.net...
> not on that coil pac
>
> Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >
>

Re: Help with rough idle and acceleration - TIA
 

That's the 4.0L, not the V-8. 4.0L I-6 uses three coil packs, one per two
plugs.

"tim bur" <dbrider@cac.net> wrote in message
news:43249F9E.6F32B587@cac.net...
> not on that coil pac
>
> Billy Ray wrote:
>
>> Don't each of the coil packs handle 2 cylinders? Wouldn't both misfire?
>>
>> --
>> .
>> Billy_Ray@SPAM.fuse.net (remove SPAM)
>> 2002 Jeep WJ 4 Liter Automatic
>> Brilliant Black Crystal Pearl Coat
>> Sharing is why we are all here....... or should be.
>> .
>> "tim bur" <dbrider@cac.net> wrote in message
>> news:43236F02.32C2328F@cac.net...
>> > fouled spark plug, failed injector, and a failed coil pac ,
>> >
>> > ken859@optonline.net wrote:
>> >
>> >> 2004 Jeep Grand Cherokee Limited
>> >> Inline 6 Cylinder Engine
>> >> Automatic Transmission
>> >> Stock - No modifications
>> >>
>> >> Symptoms:
>> >> After car warms up (3-5 Minutes) the engine idle drops to about 600RPM
>> >> and the car starts shaking rapidly. When you accelerate the car
>> >> shakes repeatedly between 600RPM and 1500RPM. At 50 miles an hour,
>> >> pressing the accelerator slightly to maintain a steady velocity (which
>> >> is about 1500RPM) the car will experience the shake while driving.
>> >> Moderate acceleration the problem goes away. Lifting off of the gas
>> >> and the problem goes away until the above rpm range is reached and
>> >> then problem comes back
>> >>
>> >> Followup:
>> >> Computer diagnostics indicates a miss fire on cylinder # 5
>> >>
>> >> Question:
>> >> Could this be a clogged injector or are there other suggestions?
>> >>
>> >> TIA Ken
>> >
>