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2002 GMC Envoy SLE 4.2L MIL Lamp on
Posted to GM Driveability on 4/9/2020 29 Replies

This vehicle is giving us fits. We have been unable to fully rectify this check engine light for 2 1/2 years now. Have smoke tested intake and exhaust systems multiple times. Have replaced multiple components on multiple different visits. Every time vehicl...

29 Replies Received (View Replies)

  Related Documents & Media  2002 GMC Envoy SLE

 
Message Closed w/FIX

car Vehicle Data

2002 GMC Envoy SLE

VIN 1GKDT13S12
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)
Message Closed w/FIX

car Vehicle Data

2002 GMC Envoy SLE

VIN 1GKDT13S12
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursAlways

Trouble Codes

P0171Fuel System Too Lean (Bank 1)