Auto Systems and Repair: Throttle Position Sensor

Symptoms of Wear or Failure

  • Check Engine Light may come on
  • Engine may hesitate, misfire, or jerk upon acceleration
  • Automatic transmission may shift erratically
  • Engine may stall without warning

Related Repair Advice

  • Only use factory OEM throttle position sensors and be sure to check for any relevant Technical Service Bulletins (TSBs), plus any necessary software updates and re-calibration procedures
  • A throttle position sensor code isn't always triggered by a defective throttle position sensor. It can be triggered by a defective crankshaft position sensor, MAP sensor, mass air flow sensor, ignition problem, defective PCM, or wiring related issue.

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