Faulty throttle position sensor

A faulty throttle position sensor (TPS) can cause erratic acceleration, engine stalling, and poor throttle response. Symptoms often include hesitation when pressing the accelerator, surging at idle, or an unstable RPM. The TPS monitors throttle movement and relays data to the ECU, but if it malfunctions, the engine may receive incorrect signals, leading to drivability issues. A failing TPS can trigger the check engine light and cause the vehicle to enter limp mode, limiting power. Replacing a faulty TPS ensures smooth acceleration and prevents further engine complications.

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