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P0121 Diagnostic Trouble Code Discussion for October 2006

Throttle Position Sensor Does Not Agree With MAP

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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2000 Lexus GS300 3.0L MIL Lamp on VIN: JT8BD68S5Y
P0121: TP Sensor or Switch 'A' Circuit Range/Performance. Hello all, I have a Lexus GS300 with the 3.0 straight six in it I am going to replace the TPS sensor in it and I need to know the adjustment proceedure as this is an adustable TPS. My modus will show TPS % but not voltage, but I can check voltage at sensor. An...
October 27, 2006