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International Automotive Technicians Network
2007 Chevrolet Suburban 1500 Z71 5.3L MIL Lamp on
Posted to GM Driveability on 7/29/2014 35 Replies

Hi guys, need help from Chevy experts; I'm a Euro car guy so I don't work on these too often; this suburban goes intermittently into performance reduced mode (poor/ no acceleration)and throws code 2127 & p2138 related to throttle pedal position sensor. Resetti...

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  Related Documents & Media  2007 Chevrolet Suburban 1500 Z71

 
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Suburban 1500 Z71

VIN 3GNFK16367
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P2127Accelerator Pedal Position Sensor 2 Circuit Low Voltage
P2138Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation
Message Closed w/FIX

car Vehicle Data

2007 Chevrolet Suburban 1500 Z71

VIN 3GNFK16367
Engine5.3 L / 8 cyl / FLEX
Trans4-speed Automatic (Electronic)
DeliveryFuel Injection
EmissionsOBD-II Compliant
SymptomsMIL Lamp On
OccursIntermittently

Trouble Codes

P2127Accelerator Pedal Position Sensor 2 Circuit Low Voltage
P2138Accelerator Pedal Position Sensor 1/2 Incorrect Voltage Correlation