Help with rough idle and acceleration - TIA
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
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
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
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
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
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
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
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
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 > > |
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