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2000 Jeep Grand Cherokee Laredo 4.0L Misfire, MIL Lamp on
We can only get this to act up on an extended test drive of atleast 5 miles. When misfire occurs, useually at 55 to 60 mph, it is a constant misfire and code PO306 sets. We have replaced plugs, coil rail, swithced injectors, enriched # 6 runner with propan at ...
FIX posted 6/13/2002
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Related Documents & Media | VIN | 1J4GW48S0Y |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0306 | Cylinder 6 Misfire Detected |
Message Closed w/Summary
Vehicle Data
2000 Jeep Grand Cherokee Laredo
| VIN | 1J4GW48S0Y |
| Engine | 4.0 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire, MIL Lamp On |
| Occurs | Intermittently |
Trouble Codes
| P0306 | Cylinder 6 Misfire Detected |
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