P0120 Diagnostic Trouble Code Discussion for August 2009
Throttle Position Sensor Circuit Malfunction
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| Help Request | Posted | |
| 1996 Mazda 626 DX 2.0L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1YVGE22C7T P0120: TP Sensor Circuit Malfunction. Hello: Another surging idle mystery vehicle. Thought for sure it was another vacuum/intake leak type of repair. No leaks found with smoke test, mirror exam or spraying with brake cleaner around intake. Removed ISC from bore and plugged with large plastic plug.... |
August 12, 2009 | |
| 1996 Mazda 626 DX 2.0L Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 1YVGE22C7T P0120: TP Sensor Circuit Malfunction. Hello: Another surging idle mystery vehicle. Thought for sure it was another vacuum/intake leak type of repair. No leaks found with smoke test, mirror exam or spraying with brake cleaner around intake. Removed ISC from bore and plugged with large plastic plug.... |
August 18, 2009 | |
| 1997 Mercury Villager GS 3.0L No Start, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on, trans VIN: 4M27V1112W P0120: Throttle Position Sensor Circuit Malfunction. Vehicle is the same as a Nissan Quest. The vehicle came in with a high tps voltage constant. After searching forever, I finally found a loose ground on the intake from someone trying to install spark plugs. I was wrong problem is not fixed, now after the engin... |
August 26, 2009 |
