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1998 Jeep Grand Cherokee Laredo 4.0L Misfire
Posted to Chrysler Driveability on 5/12/2006 7 Replies

Thanks to all in advance. This Cherokee came in with a p0303 and running real bad. I have checked fuel pressure, fuel injector spray, compression, spark, and for vacuum leaks. No problems found. It runs the same even with the plug wires removed from cylinders ...

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  Related Documents & Media  1998 Jeep Grand Cherokee Laredo

 
Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S8W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways
Misc.4X4

Trouble Codes

P0303Cylinder 3 Misfire Detected
Message Closed w/FIX

car Vehicle Data

1998 Jeep Grand Cherokee Laredo

VIN 1J4GZ58S8W
Engine4.0 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI / mpfi
EmissionsOBD-II Compliant
SymptomsMisfire
OccursAlways
Misc.4X4

Trouble Codes

P0303Cylinder 3 Misfire Detected