P0120 Diagnostic Trouble Code Discussion for December 2009
Throttle Position Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2003 Chevrolet Silverado 2500 HD 6.0L Reduce power mess. VIN: 1GCHK29U13 P0120: TP Sensor 1 Performance. I have test all 35 steps in mithcel for tac operation and tp angles and on peddle also. Problem is int. as it has only happen on customer 2 times and I can not verify problem at this time . have seen diesels with peddel problems but not gas. Diag. has set me t... |
December 10, 2009 |
