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P0121 Diagnostic Trouble Code Discussion for February 2013

Throttle Position Sensor Does Not Agree With MAP


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Trouble Ticket Help Requests for DTC P0121
Help Request Posted
2003 Jaguar S-Type 3.0L limp mode VIN: SAJEA01T43
P0121: throttle pos sensor. ... customer said car had lost power and multiple warning lights came on in cluster. I charged battery and tested, tester said ok. I removed battery from car and tested with snap on vat60 and battery immediately dropped below 9 volts. I installed a new battery...
February 15, 2013