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P0120 Diagnostic Trouble Code Discussion for August 2010

Throttle Position Sensor Circuit Malfunction


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Trouble Ticket Help Requests for DTC P0120
Help Request Posted
2004 Chevrolet Tahoe LS 4.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GNEK13V54
P0120: TP Sensor 1 Performance. ... engine power" message, codes P0120, P2101, P2135 stored. First shop replaced the throttle body assembly and the pedal assembly. Problem went away for a few days, then recurred. Second shop r...
August 05, 2010
1998 Toyota 4Runner SR5 3.4L Poor Idle Quality, MIL Lamp on VIN: JT3HN86R6X
P0120: TP Sensor or Switch 'A' Circuit Malfunction. Car came to us from another shop. Cel inop but had 4 codes, po100,110,171,120. Found air cleaner plugged and maf very dirty. Replace air filter and cleaned maf. Found tps reading 0% at idle. Replaced tps. Runs ok now but still has high idle cold or hot and som...
August 13, 2010
2004 Chevrolet Tahoe LS 4.8L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 1GNEK13V54
P0120: TP Sensor 1 Performance. ... engine power" message, codes P0120, P2101, P2135 stored. First shop replaced the throttle body assembly and the pedal assembly. Problem went away for a few days, then recurred. Second shop r...
August 05, 2010
1998 Toyota 4Runner SR5 3.4L Poor Idle Quality, MIL Lamp on VIN: JT3HN86R6X
P0120: TP Sensor or Switch 'A' Circuit Malfunction. Car came to us from another shop. Cel inop but had 4 codes, po100,110,171,120. Found air cleaner plugged and maf very dirty. Replace air filter and cleaned maf. Found tps reading 0% at idle. Replaced tps. Runs ok now but still has high idle cold or hot and som...
August 13, 2010