2005 GMC Envoy SLE 4.2L MIL Lamp on
thanks in advance to all who help. vehicle came in this morning with the check engine light on. hooked up scan tool, found [...]: system lean bank 1. monitored data stream. STFT:29. LTFT:19. MAP:30. HO2S1:.045v. spec calls for HO2S1 to be [...]. i am leaning t...
FIX posted 9/11/2008
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Message Closed w/FIX
Vehicle Data2005 GMC Envoy SLE
Trouble Codes
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Message Closed w/FIX
Vehicle Data
2005 GMC Envoy SLE
VIN | 1GKDT13S05 |
Engine | 4.2 L / 6 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | MIL Lamp On |
Occurs | Always |
Trouble Codes
P0171 | Fuel System Too Lean (Bank 1) |