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Apa Itu Throttle Position Sensor? How to Determine if the TPS is Damaged
2026-02-03
In modern engine systems, electronic sensors play an increasingly important role, and the Throttle Position Sensor is an indispensable component. Many people, when trying to understand engine malfunctions or performance problems, search for "Apa Itu Throttle Position Sensor," hoping to understand its function and whether it's related to the vehicle's current abnormal condition. Although the TPS is a small part, if it malfunctions, it can significantly affect the overall driving experience.
A professional and common method to determine if the Throttle Position Sensor is damaged is to use a multimeter for testing. By measuring the voltage changes of the TPS at different throttle openings, you can determine if the signal is continuous and stable. If the voltage output shows jumps or breaks, it usually indicates that the internal resistance of the sensor is worn out.
For vehicles equipped with an OBD system, using an OBD scanner can more directly identify the problem. When the TPS signal is abnormal, the ECU will often store relevant fault codes. By reading the real-time data stream, you can also compare the actual throttle opening with the value recognized by the ECU to quickly determine if the sensor is working properly.
In the absence of testing tools, a simple visual inspection can also be helpful. Check if the TPS connector is secure, if the wiring harness is aged or damaged, or if there is water ingress or oxidation. Sometimes these external problems can also cause abnormal TPS signals, affecting the overall performance of the engine.
Understanding the working principle of the Throttle Position Sensor and basic testing methods can not only help detect faults early but also prevent more serious engine performance degradation caused by sensor problems.
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