How to Change the Throttle Position Switch on a Dodge Diesel

by Shayrgo Barazi

The throttle position sensor on your Dodge diesel truck sends an electrical signal to the engine control unit informing it of how wide open the throttle blade is at any given moment when the Dodge is on. The engine control unit then sends an electrical signal to the injectors, informing them to inject the precise amount of fuel needed for proper operation. If the throttle position sensor isn't working properly, you could be wasting precious gasoline and the truck won't run correctly.


Remove the electrical connector from the throttle position sensor by pushing down on the tab and pulling it out. The throttle position sensor is located directly on the throttle body and is typically black.


Using a ratchet, loosen the two bolts holding the throttle position sensor onto the throttle body.


Pull the throttle position sensor off of the throttle body.


Attach the new throttle position sensor onto the throttle body and tighten the bolts with a ratchet.


Plug in the electrical connector by pushing it into the throttle position sensor.


  • check If the electrical connector won't come off, try using a small flathead screwdriver and pry gently between the throttle position sensor and the connector. This should allow you to pull the connector off of the sensor.


  • close Wear safety glasses when working on your truck.

Items you will need


About the Author

Shayrgo Barazi is a college graduate with a degree in automotive engineering technology (B.S.c.) from Ferris State University. He is a successful writer and has taken a college level technical writing course. He currently works for Time Wave Media writing automotive DIY articles. He has an intuition for technology and has the capacity to write, too.

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