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2008 Jeep Grand Cherokee Laredo 4.7L Misfire
Vehicle came in for the p1128, p1129 codes. Found flash and suggested customer get that taken care of before any further diag on those codes. All codes where history. Customer also complained of a stall condition. Could not duplicate stall. Customer wanted plu...
FIX posted 5/15/2013
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Message Closed w/FIX
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7 Replies Received
Related Documents & Media | VIN | 1J8HR48N68 |
| Engine | 4.7 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load, on Accel, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P1128 | MAP Sensor Signal Lower Than Expected |
| P1129 | MAP Sensor Value Higher Than Expected |
Message Closed w/FIX
Vehicle Data
2008 Jeep Grand Cherokee Laredo
| VIN | 1J8HR48N68 |
| Engine | 4.7 L / 8 cyl / GAS |
| Trans | 5-speed Automatic (Electronic) |
| Delivery | Fuel Injection / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Under Load, on Accel, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
| P0301 | Cylinder 1 Misfire Detected |
| P1128 | MAP Sensor Signal Lower Than Expected |
| P1129 | MAP Sensor Value Higher Than Expected |
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