How Do You Troubleshoot A TPS Sensor?
A vehicle’s throttle position sensor (TPS) provides very important information to the engine’s computer. The computer uses this data to give the driver more or less engine power as needed. And very often, a driver experiences the effects of a faulty or bad TPS sensor as an engine hesitation or stumbling during acceleration. But checking a TPS sensor’s condition is a very straightforward and easy operation with these simple steps, even if you have minimal knowledge of electrical circuits or just have the desire to learn basic troubleshooting procedures. Step 1 Open the hood of your vehicle and locate the TPS sensor in the engine compartment. Its most common location is on the outside–to the right or left–of the throttle body or carburetor plate shaft. Here you will see a small black box with three wires coming out from its electrical connector. Step 2 Unplug the TPS electrical connector. Turn on the ignition switch but do not start the engine. Using a voltmeter, probe the connector’s
