2007 Chevrolet Silverado 1500 LT 5.3L Surge
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...
FIX posted 9/25/2009
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Vehicle Data2007 Chevrolet Silverado 1500 LT
Trouble Codes
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Vehicle Data
2007 Chevrolet Silverado 1500 LT
VIN | 2GCEK13397 |
Engine | 5.3 L / 8 cyl / GAS |
Trans | 4-speed Automatic (Electronic) |
Delivery | FI |
Emissions | OBD-II Compliant |
Symptoms | Surge |
Occurs | Always |
Trouble Codes
P0121 | Throttle Position Sensor Range/Performance |