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2008 GMC Sierra 1500 WT 5.3L MIL Lamp on, low power mode
Posted to GM Driveability on 9/18/2023 7 Replies

Look at freeze frame data,absolute throttle position %20,app d circuit 20%,e circuit 0 %,,cleared codes and retest several times,could not duplicate,customer drove vehicle 30 miles at freeway speeds,stopped at stop light and started to accel went into low ...

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  Related Documents & Media  2008 GMC Sierra 1500 WT

 
Message Closed w/FIX

car Vehicle Data

2008 GMC Sierra 1500 WT

VIN 2GTEK19J68
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / port
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Low Power Mode
OccursIntermittently

Trouble Codes

P2127Accelerator Pedal Position Sensor 2 Circuit Low Voltage
Message Closed w/FIX

car Vehicle Data

2008 GMC Sierra 1500 WT

VIN 2GTEK19J68
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection / port
EmissionsOBD-II Compliant
SymptomsMIL Lamp on, Low Power Mode
OccursIntermittently

Trouble Codes

P2127Accelerator Pedal Position Sensor 2 Circuit Low Voltage