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2007 Chevrolet Silverado 1500 LT 5.3L Surge
Posted to GM Driveability on 8/13/2009 5 Replies

truck came to our shop with check engine light on with code po121. engine running good. we did clean the throttle body and the light is off but when you touch the pedel the rpm stay about 2000 rpm. turn the key off and restart the rpm is good until you touch t...

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  Related Documents & Media  2007 Chevrolet Silverado 1500 LT

 
Message Closed

car Vehicle Data

2007 Chevrolet Silverado 1500 LT

VIN 2GCEK13397
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways

Trouble Codes

P0121Throttle Position Sensor Range/Performance
Message Closed

car Vehicle Data

2007 Chevrolet Silverado 1500 LT

VIN 2GCEK13397
Engine5.3 L / 8 cyl / GAS
Trans4-speed Automatic (Electronic)
DeliveryFI
EmissionsOBD-II Compliant
SymptomsSurge
OccursAlways

Trouble Codes

P0121Throttle Position Sensor Range/Performance