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P0123 Diagnostic Trouble Code Discussion for April 2012

Throttle Position Sensor/APPS High


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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
2002 Dodge Grand Caravan EL 3.3L Excessive Emissions, Poor Idle Quality VIN: 1B4GP34392
P0123: Throttle Position Sensor Circuit High Voltage. This vehicle runs extremely poor, Injector PW is all over the place,tested grounds, powers, injector resistance, TPS, MAP to ECU. The MAP reading is at 5v all the time.(signal wire is not shorted to power) At time the TPS voltage is fine other times is will sl...
April 17, 2012
2002 Dodge Grand Caravan EL 3.3L Excessive Emissions, Poor Idle Quality VIN: 1B4GP34392
P0123: Throttle Position Sensor Circuit High Voltage. This vehicle runs extremely poor, Injector PW is all over the place,tested grounds, powers, injector resistance, TPS, MAP to ECU. The MAP reading is at 5v all the time.(signal wire is not shorted to power) At time the TPS voltage is fine other times is will sl...
April 17, 2012