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GM Tech (Cam)
GM Tech (Cam), Chevy Technician
Category: Chevy
Satisfied Customers: 27664
Experience:  GM Grand Master Technician 2007. 11 years experience.
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WHERE IS THE TPS SENSOR LOCATED ON A CHEVY SILVERADO 1500 2WD 5.3

Customer Question

WHERE IS THE TPS SENSOR LOCATED ON A CHEVY SILVERADO 1500 2WD 5.3
Submitted: 4 years ago.
Category: Chevy
Expert:  Ron Z. replied 4 years ago.

 

The throttle position sensor is mounted to the side of the throttle body.

graphic

Customer: replied 4 years ago.
Relist: Inaccurate answer.
IS THERE ANOTHER LOCATION FOR THIS SENSOR
Expert:  Ron Z. replied 4 years ago.

 

What?!?! A different location?!?!

 

 

Expert:  GM Tech (Cam) replied 4 years ago.

Greetings and Welcome to Just answer.

Your truck has the Electronic Throttle system. The Throttle position sensor is inside the throttle actuator assembly which is the throttle plates. It is not something that can be changed separate from the throttle. The sensor on the pedal in the truck is actually 2 sensors and are called the Accelerator position sensors.

These years of trucks with the electric throttle have a couple of very common issues. First and in my experience most common is the ground wire. The ground runs from the rear harness behind the top of the engine to the rear of the left cylinder head. It is attached at the same bolt as the ground strap at the firewall. I have always been able to find this by pulling on the black wire and see if it gives. The fault has been a conductor broken in the insulation at the crimp. The second issue is the wiring near the throttle body. The wiring tends to break a few inches from the connector. check these out and see. Another common issue is the wiring near the throttle body itself. There are some wires there that can break inside the insulation and cause this. Check the wiring carefully near the throttle and about 6" back.

Expert:  GM Tech (Cam) replied 4 years ago.

Object Number: 825837  Size: SH

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