 
				
	| 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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 | Message Closed w/FIX 
 | 
| 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
 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 | 







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