1998 Jeep Grand Cherokee Laredo 4.0L Misfire
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 ...
FIX posted 5/19/2006
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Message Closed w/FIX
Vehicle Data1998 Jeep Grand Cherokee Laredo
Trouble Codes
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Message Closed w/FIX
Vehicle Data
1998 Jeep Grand Cherokee Laredo
VIN | 1J4GZ58S8W |
Engine | 4.0 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI / mpfi |
Emissions | OBD-II Compliant |
Symptoms | Misfire |
Occurs | Always |
Misc. | 4X4 |
Trouble Codes
P0303 | Cylinder 3 Misfire Detected |