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P0120 Diagnostic Trouble Code Discussion for October 2014

Throttle Position Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0120
Help Request Posted
1997 Mitsubishi Eclipse GST 2.0L Poor Idle Quality, Hesitation, Surge, Cuts out, MIL Lamp on VIN: 4A3AK54F4V
P0120: TP Sensor Circuit Malfunction. ... some hesitation on accel. after we replace the tps the problem got worst ,pcm is acting really weird,on scanner you could see how tps change voltage without problems same as next to the sensor,p0120 came back ,when I drove the car the shifting is terrible,...
October 14, 2014