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  1. Symptoms of a Bad Throttle Position Sensor - AutoZone

    A throttle position sensor, or TPS, monitors the position of the throttle valve in your engine, which controls the amount of air entering the engine based on how much you press the gas pedal.

  2. Bad Throttle Position Sensor? Here’s How to Spot the Signs

    Jan 17, 2025 · A bad throttle position sensor (TPS) can throw your car’s performance completely out of whack, from sluggish acceleration to rough idling. This small but crucial sensor tells your engine’s …

  3. Bad Throttle Position Sensor Symptoms: What You Need to Know

    May 19, 2025 · The throttle position (TP) sensor measures the position of the throttle blade. A bad TP sensor will show symptoms such as an illuminated check engine light, engine and transmission …

  4. 8 Signs of a Bad Throttle Position Sensor (& Replacement Cost)

    Aug 11, 2025 · While small and relatively simple, the throttle position sensor (TPS) is a critical component that tells your car’s computer how far the throttle plate is open, helping control fuel …

  5. How to Repair a Throttle Position Sensor | 10 Method (2025)

    May 1, 2025 · A throttle position sensor (TPS) is a crucial component of your vehicle’s engine management system. It monitors the position of the throttle valve and provides real-time data to the …

  6. Understanding Throttle Position Sensor (TPS) Function Failure and …

    Oct 16, 2025 · What is a Throttle Position Sensor (TPS)? The throttle position sensor (TPS) is a critical component in modern vehicles' electronic fuel injection and engine management systems. It plays a …

  7. Throttle Position Sensor: What It Is, How It Works, and Replacement ...

    Jun 23, 2025 · A throttle position sensor (TPS) tells your car’s ECU how open the throttle is, affecting fuel mix and engine response. Learn how it works, symptoms of failure, how to test and replace it, …

  8. Throttle Position Sensor (TPS) Reset – 5 Methods That Actually Work

    1 day ago · The throttle position sensor (TPS) could be out of calibration. In this video, I’ll show you 5 proven ways to reset the throttle position sensor and restore proper throttle response.

  9. How to Test a Throttle Position Sensor (TPS) with a Multimeter

    When a throttle position sensor (TPS) works properly, it tells a vehicle’s engine control unit (ECU) how far the throttle is open to ensure proper fuel delivery and ignition timing.

  10. P2135 throttle position sensor code: Causes, symptoms, and …

    The P2135 code indicates that the engine control module (ECM) has detected a mismatch between the voltage signals of Throttle Position Sensor (TPS) A and TPS B (image below). These dual sensors ...