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To diagnose a bad throttle position sensor, check for symptoms, use an OBD-II scanner for trouble codes, visually inspect for damage, and use a multimeter to test for voltage or resistance changes while moving the throttle.

The throttle position sensor is mounted on the end of the throttle body and tells the computer how far open or closed the throttle is. The TPS is pretty easy to understand how it work’s, it is a potentiometer just like your dimmer switch in the dash.

Feb 12, 2023 · When the Throttle Position Sensor (TPS) goes bad, the Check Engine Light comes on and you may experience a rough idle. It also creates an unresponsive throttle, a lack of power, increased fuel consumption and can lead to gear shifting issues if it’s not resolved.

With the ignition placed in the “on” position and the throttle plate closed, turn the TPS left or right till you get the appropriate reading for your TPS model. When you get the appropriate reading, simply keep the TPS in that position and tighten the mounting bolts on it.

The throttle body has a throttle position sensor (TPS or TP sensor) that tells the PCM about the position of the throttle. This article mainly explains the bad throttle position sensor symptoms, causes, and replacement cost.

Jan 26, 2024 · Identify and fix throttle position sensor (TPS) issues to ensure proper start up and smooth throttle response in your vehicle.

Jul 22, 2023 · Checking the TPS is surprisingly simple. All it requires is some basic automotive knowledge and the right tools. Here, we’ll go through what a TPS does, how to detect if it’s malfunctioning, and explain step-by-step how to check your TPS yourself.

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 computer how far the throttle is open, essential for maintaining the …

Mar 31, 2025 · A throttle position sensor (TPS) is a device designed to measure and report the position of the throttle body valve in real time. This information goes to the vehicle’s computer (ECU). From there the ECU knows how much air is in …