P0121 Diagnostic Trouble Code Discussion for December 2011
Throttle Position Sensor Does Not Agree With MAP
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| Help Request | Posted | |
| 2007 Chevrolet Equinox LS 3.4L MIL Lamp on VIN: 2CNDL13F97 P0121: TP Sensor 1 Performance. ... idle. We pulled codes, found codes p0121 and p2135 stored in pcm memory. Proceeded to check throttle body with labscope (snap-on vantage) and confirmed that voltage at idle and wide open throttle were inverted. Meaning that a... |
December 05, 2011 | |
| 2006 Chevrolet Trailblazer LT 4.2L Hesitation, Stall, MIL Lamp on VIN: 1GNDT13S66 P0121: TP Sensor Performance. Thank you for taking the time with this one, This unit has been a problem for us for about 6 months - first time in this unit had a problem with stabilatrac - we had to repair some wiring under passanger seat for problem (new connector)this unit was fine up un... |
December 23, 2011 |
