 
				
| 2002 GMC Envoy SLT, Ignition Photo 
     observe the rust on coils, my thoughts are this is due to water intrusion per TSB 06- 06- 04- 048b 
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| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 4-speed AutomaticTransmission (Electronic) | 
| Delivery | Fuel Injection | 
| Subsystem | Ignition | 
| Component | |
| Condition | Unknown | 
 Vehicle Data
 Vehicle Data
                2002 GMC Envoy SLT 4.2L
| Engine | 4.2 L / 6 cyl / GAS | 
| Trans | 4-speed AutomaticTransmission (Electronic) | 
| Delivery | Fuel Injection | 
| Subsystem | Ignition | 
| Component | |
| Condition | Unknown | 
 Video
Video