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2001 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on
Hello to all and thanks for reading this post. I'll try to make this short. Last Thursday I changed the oil on this Jeep and replaced a power window regulator. The next morning the owner noticed that the engine ran rough. That afternoon I scan and scoped and f...
FIX posted 11/26/2008
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Related Documents & Media | VIN | 1J4GX48S91 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Trouble Codes
| 303 | Misfire detected on cyl 3 |
| 455 | Evap System- large leak |
| 456 | Evap System- small leak |
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Vehicle Data
2001 Jeep Grand Cherokee Laredo
| VIN | 1J4GX48S91 |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / SEFI |
| Emissions | OBD-II Compliant |
| Symptoms | Poor Idle Quality, Misfire, MIL Lamp On |
Trouble Codes
| 303 | Misfire detected on cyl 3 |
| 455 | Evap System- large leak |
| 456 | Evap System- small leak |
Video