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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
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Related Documents & Media | 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 |
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 |
Video