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 MANUALSCHEVROLET2006CHEVY EXPRESS G3500, VAN CARGO, 4.8 VREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 1 (ENGINE CONTROL SYSTEM - 4.3L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSMANIFOLD ABSOLUTE PRESSURE (MAP) SENSOR REPLACEMENTINSTALLATION PROCEDURE

2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 V

Installation Procedure

2006 Chevrolet Chevy Express G3500, Van Cargo, 4.8 VSECTION Installation Procedure

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

Install the new MAP sensor grommet on the MAP sensor.

Fig 1: View Of MAP Sensor

Courtesy of GENERAL MOTORS CORP.

Install the MAP sensor.

Fig 2: View Of MAP Sensor Harness Connector

Courtesy of GENERAL MOTORS CORP.

Connect the MAP sensor harness connector.
Install the engine cover. Refer to Engine Cover Replacement in Interior Trim.

RENDER: 1.0x

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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.