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2004 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on
You would think this would be easy. Cylinder 1 misfire intermitent, mostly when cold at idle and slight accel. Switched #1 and #2 and then #3 injectors around and it always misfires on cylinder 1. Tried a new coil pack. Checked while idling bad and it is cylin...
FIX posted 8/17/2010
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Related Documents & Media | VIN | 1J4GW48S54 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Cold, on Accel, Idle, Intermittently |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
Message Closed w/FIX
Vehicle Data
2004 Jeep Grand Cherokee Laredo
| VIN | 1J4GW48S54 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Cold, on Accel, Idle, Intermittently |
Trouble Codes
| P0301 | Cylinder 1 Misfire Detected |
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