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P0123 Diagnostic Trouble Code Discussion for May 2005

Throttle Position Sensor/APPS High


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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1998 Kia Sephia 1.8L Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on, VIN: KNAFB1213X
P0123: Throttle Position Sensor Circuit High Voltage. Car will run fine for a couple of days.Then will start by engine bucking & revving up.(like puting in neutral).Will turn CEL on and set codes.123 & 101. Have used a vantage and checked TPS & mass sensors and cant find any problems.Have went to comp...
May 20, 2005