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2003 GMC Envoy SLT 4.2L Reduced Engine Power
The P1271 blues: this vehicle has a history of setting P1271. It’s very intermittent and I have yet to duplicate it. By the time it arrives at the shop the sensors are working normally and the repair is to cycle the ignition key off and back on the get the red...
FIX posted 1/2/2013
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Message Closed w/FIX
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Related Documents & Media | VIN | 1GKDT13S13 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Reduced Engine Power |
| Occurs | Cold, Intermittently |
Trouble Codes
| P1271 | Accelerator Pedal Position Sensor 1-2 Correlation |
Message Closed w/FIX
Vehicle Data
2003 GMC Envoy SLT
| VIN | 1GKDT13S13 |
| Engine | 4.2 L / 6 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | Fuel Injection |
| Emissions | OBD-II Compliant |
| Symptoms | Reduced Engine Power |
| Occurs | Cold, Intermittently |
Trouble Codes
| P1271 | Accelerator Pedal Position Sensor 1-2 Correlation |
Video