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2002 GMC Envoy SLE 4.2L Misfire
Seen TSBs one about water intrusion. What do you think about these coils? Epoxy looks melted. One coil looks new, but when I asked about svc history he said, "Uhh... I don't know." Tried to put a sync probe on along with my amp clamp, but this intake design ma...
FIX posted 6/12/2016
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Related Documents & Media | VIN | 1GKDS13S22 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Cold, Under Load, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Message Closed w/FIX
Vehicle Data
2002 GMC Envoy SLE
| VIN | 1GKDS13S22 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Misfire |
| Occurs | Cold, Under Load, Idle |
Trouble Codes
| P0300 | Multiple Misfire Detected |
Video