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P0121 Diagnostic Trouble Code Discussion for May 2008

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2000 Hyundai Tiburon 2.0L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: KMHJG35FXY
P0121: tps and maf calibration. hey guys this vehicle came in when I was off as an overheat. another tech found inop fan replaced fan and t stat with flush . this solved overheat concern. cust returned stated veh idles low and stall with off idle hesitation. scan tool revealed o2 sensor stay...
May 13, 2008