P0120 Diagnostic Trouble Code Discussion for November 2012
Throttle Position Sensor Circuit Malfunction
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| Help Request | Posted | |
| 2003 GMC Yukon Denali 6.0L MIL Lamp on VIN: 1GKEK63U53 P0120: TP Sensor 1 Performance. ... that has been eating our lunch for a couple days. 2003 GMC Yukon 6.0 came in with check engine light. Customer stated it lost power and wasn't able to accelerate. When we started it of course it worked OK. Codes stored were PO120 TP Position Sensor 1 Circu... |
November 19, 2012 |
