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P0121 Diagnostic Trouble Code Discussion for December 2012

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2007 Chevrolet Equinox LT 3.4L reduced engine power VIN: 2CNDL73F97
P0121: TP Sensor 1 Performance. This problem is occurring intermittently. Upon initial investigation I found that the rug and matting on the driver's side was soaking wet. I don't know if this is causing residual effects on the harness connectors that are down low. But I did dry the interior...
December 04, 2012