P0120 Diagnostic Trouble Code Discussion for September 2010
Throttle Position Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2006 Chevrolet Silverado 2500 HD LS 6.0L Reduced power VIN: 1GCHC29U26 P0120: TP Sensor 1 Performance. ... codes p2135 and p0120 for the last few months intermittenly. Then the reduced power message would be displayed. We installed a new Delco throttle body, and Delco connector then reflashed the pcm. Still intermittenly but not new as frequently. Any help with... |
September 27, 2010 |
