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P0121 Diagnostic Trouble Code Discussion for September 2012

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2003 Chrysler PT Cruiser GT 2.4L Stall, Misfire, MIL Lamp on VIN: 3C8FY78G73
P0121: Throttle Position Sensor Does Not Agree With MAP. ... with just a P0121 this time. Customer stated that she tried to start the car and it ran rough and died, and emitted a lot of blue smoke at the same time. After several attempts, she got it started and it ran rough, and wanted to die at stops. She got it he...
September 11, 2012
2004 Kia Rio 1.6L Poor Idle Quality, Hesitation, MIL Lamp on VIN: KNADC12504
P0121: Throttle Position Sensor/Switch 'A' Circuit Range/Performance. I'm getting some weird readings on my Genisys on this vehicle. MAF is reading 138.9 g/s at 125v-131v, however testing the MAF with a multimeter it tested .5v at idle and around 4.4 at about 3500rpm. We also tested the TPS with a multimeter and read fine as wel...
September 20, 2012