Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2007 Chevrolet Express 1500 RWD V6-4.3LFACTORY OEM SERVICE PROCEDURE
Throttle Position Sensor: Service and Repair
Throttle Position Sensor Replacement
Removal Procedure
1. Remove the engine cover.
2. Remove the throttle position (TP) sensor harness connector.
3. Remove the TP sensor attaching fasteners.
Notice: The TP sensor is an electrical component. Do not soak the TP sensor in any liquid cleaner or solvent as damage may result.
4. Remove the TP sensor from the throttle body assembly.
Installation Procedure
1. With the throttle valve closed, install the TP sensor on the throttle shaft. Rotate the TP sensor counterclockwise in order to align the mounting holes.
Notice: Refer to Fastener Notice.
2. Install the TP sensor attaching fasteners.
Tighten the fasteners to 2 N.m (18 lb in).
3. Install the TP sensor harness connector.
4. Install the engine cover.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.