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P0121 Diagnostic Trouble Code Discussion for March 2018

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2002 Dodge Ram 2500 5.9L Loses Throttle Contr VIN: 3B7KF23622
P0121: Throttle Position Sensor Range/Performance. ... came to us with a P0121 and P0122 Throttle position error codes. The truck would be running fine, and then after a certain amount of time, would start running rough, idle would increase to about 1200 RPM and then he wo...
March 30, 2018