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2002 GMC Envoy SLT, Ignition Photo
Posted to the Waveform Library on 6/10/2016

observe the rust on coils, my thoughts are this is due to water intrusion per TSB 06- 06- 04- 048b

 

car Vehicle Data

2002 GMC Envoy SLT 4.2L

Engine4.2 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionUnknown

car Vehicle Data

2002 GMC Envoy SLT 4.2L

Engine4.2 L / 6 cyl / GAS
Trans4-speed AutomaticTransmission (Electronic)
DeliveryFuel Injection
SubsystemIgnition
Component
ConditionUnknown