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2003 GMC Envoy SLT 4.2L Reduced Engine Power
Posted to GM Driveability on 12/3/2012 10 Replies

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...

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  Related Documents & Media  2003 GMC Envoy SLT

 
Message Closed w/FIX

car Vehicle Data

2003 GMC Envoy SLT

VIN 1GKDT13S13
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsReduced Engine Power
OccursCold, Intermittently

Trouble Codes

P1271Accelerator Pedal Position Sensor 1-2 Correlation
Message Closed w/FIX

car Vehicle Data

2003 GMC Envoy SLT

VIN 1GKDT13S13
Engine4.2 L / 6 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsReduced Engine Power
OccursCold, Intermittently

Trouble Codes

P1271Accelerator Pedal Position Sensor 1-2 Correlation