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.

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HOMESERVICE MANUALSCHEVROLET2005CHEVY EXPRESS G3500, VAN PASSENGER, LQ4REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.3L - INTRODUCTION)REPAIR INSTRUCTIONSTHROTTLE POSITION (TP) SENSOR REPLACEMENTINSTALLATION PROCEDURE

2005 Chevrolet Chevy Express G3500, Van Passenger, LQ4

Installation Procedure

2005 Chevrolet Chevy Express G3500, Van Passenger, LQ4SECTION Installation Procedure

WARNING: This page is about a different variant/trim than selected.

Fig 1: View Of TP Sensor

Courtesy of GENERAL MOTORS CORP.

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.

Fig 2: View Of TP Sensor Screws

Courtesy of GENERAL MOTORS CORP.

RENDER: 1.0x

NO RELATED

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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.