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2003 GMC Sierra 1500 HD SLE 6.0L MIL Lamp on
Intermittent codes P0120 & P0220. Turning on check engine light and reduced power. Have cleaned two grounds on back of cylinder heads,chassis grounds, and also main block grounds. Have replaced throttle body and T.P.S. assembly, Throttle body module and APP pe...
FIX posted 7/24/2007
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Related Documents & Media | VIN | 1GTGK13U53 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | 4X4 Lift Kit |
Trouble Codes
| P0120 | Throttle Position Sensor Circuit Malfunction |
| P0220 | Throttle Position Sensor 2 Circuit Malfunction |
Message Closed w/Summary
Vehicle Data
2003 GMC Sierra 1500 HD SLE
| VIN | 1GTGK13U53 |
| Engine | 6.0 L / 8 cyl / GAS |
| Trans | 4-speed Automatic (Electronic) |
| Delivery | FI / sefi |
| Emissions | OBD-II Compliant |
| Symptoms | MIL Lamp On |
| Occurs | Intermittently |
| Misc. | 4X4 Lift Kit |
Trouble Codes
| P0120 | Throttle Position Sensor Circuit Malfunction |
| P0220 | Throttle Position Sensor 2 Circuit Malfunction |
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