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2002 GMC Envoy SLE 4.2L MIL Lamp on
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...
FIX posted 4/13/2020
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Message Closed w/FIX
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29 Replies Received
29 Replies Received
Related Documents & Media | VIN | 1GKDT13S12 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2002 GMC Envoy SLE
| VIN | 1GKDT13S12 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
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