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P0123 Diagnostic Trouble Code Discussion for August 2008

Throttle Position Sensor/APPS High

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Trouble Ticket Help Requests for DTC P0123
Help Request Posted
1998 Dodge Ram 1500 Laramie 5.9L Cuts out, Stall, MIL Lamp on VIN: 3B7HF13Z5W
P0123: tps voltage higher than normal. this one is a stumper. when you turn on the a/c in any mode where there is an a/c request, the tps data pid reads 4.82 volts at idle running. turn off a/c and the data pid reads .65 volts. with a/c on, truck stalls and bucks going down the road. a/c off the tr...
August 06, 2008