How to Replace a Throttle Position Sensor

Throttle Position Sensor Replacement

Safety Tip:
Always wear safety glasses when working on your vehicle. Wear other personal protective equipment (PPE) when necessary, for example latex gloves or closed toe shoes.

1

Locate the OBD data link connector (DLC). Refer to your owner's manual for the specific location.

2

Turn your key to the ON position. Do not start the engine.

3

Plug your scan tool into the OBD data link connector. Turn on the scan tool and select the appropriate steps to read the diagnostic trouble code (DTC).
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4

Locate the throttle position sensor.
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5

Disconnect the electrical connector from the throttle position sensor.
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6

Test the resistance of the throttle position sensor (TPS) with a digital multi-meter. If the resistance is out of specifications, the TPS must be replaced.

7

Remove the throttle position sensor. Clean the sensor connector as needed using electrical contact cleaner or spray.
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8

Install the new throttle position sensor. Tighten the mounting screws and attach the electrical connector.

9

Erase the diagnostic trouble code (DTC) with the scan tool using the delete or erase command. Road test your vehicle to see if the check engine light returns.
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