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P0221 Diagnostic Trouble Code Discussion for March 2012

Throttle Position Sensor 2 Circuit Performance

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Trouble Ticket Help Requests for DTC P0221
Help Request Posted
2003 Jeep Liberty Sport 3.7L Stall, MIL Lamp on VIN: 1J4GL48K83
P0221: Tps low voltage. Vehical came in on the hook for over heating/ stall. I replaced the leaking water pump, checked for codes and test drove. The history code in the system was p034o, no cam signal the sensor worked fine during the test drive and while bleeding the coolant. The c...
March 13, 2012