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2003 GMC Envoy SLE 4.2L Hesitation, Stall, MIL Lamp on, Runs lean
This vehicle has no amss airflow - it calculates this figure. Calculations are off. At wide open throttle rpms won't go over 4000 and this only after warmed up. At 4000 rpm wot, airflow is calculated at 40 grams per second. Should be more like a hundred +. How...
FIX posted 6/23/2011
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Message Closed w/FIX
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Related Documents & Media | VIN | IGKDT13S53 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Stall, MIL Lamp on, Runs Lean |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Message Closed w/FIX
Vehicle Data
2003 GMC Envoy SLE
| VIN | IGKDT13S53 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Hesitation, Stall, MIL Lamp on, Runs Lean |
| Occurs | Always |
Trouble Codes
| P0171 | Fuel System Too Lean (Bank 1) |
Video