Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Throttle Position Sensor: Service and Repair

REMOVAL PROCEDURE




1. Remove the injector sight shield.




2. Disconnect the throttle position (TP) sensor electrical connector.




3. Remove the 2 TP sensor attaching screws.




4. Remove the TP sensor.

INSTALLATION PROCEDURE




1. Install the TP sensor to the throttle body assembly.





NOTE: Refer to Fastener Notice in General Information.

2. Apply a thread-locking compound on the screws and install the 2 TP sensor attaching screws. Loctite 262(R), GM P/N 1052624, or equivalent should be used.

Tighten
Tighten the screws to 2 N.m (18 in lb)




3. Connect the TP sensor electrical connector.




4. Reinstall the injector sight shield.

INSTALLATION PROCEDURE




1. Install the TP sensor to the throttle body assembly.





NOTE: Refer to Fastener Notice in General Information.

2. Apply a thread-locking compound on the screws and install the 2 TP sensor attaching screws. Loctite 262(R), GM P/N 1052624, or equivalent should be used.

Tighten
Tighten the screws to 2 N.m (18 in lb)




3. Connect the TP sensor electrical connector.




4. Reinstall the injector sight shield.