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HOMESERVICE MANUALSCHEVROLET2006CHEVY EXPRESS G2500, VAN CARGO, 6.6 2REPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 941 (ENGINE CONTROL SYSTEM & FUEL SYSTEM - 6.6L (LMM) - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSEXHAUST PRESSURE DIFFERENTIAL SENSOR REPLACEMENTINSTALLATION PROCEDURE
2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2

Installation Procedure

2006 Chevrolet Chevy Express G2500, Van Cargo, 6.6 2SECTION Installation Procedure
WARNING: This page is about a different car, the 2007 GMC Savana Special, 2007 GMC Savana Camper Special, 2007 GMC Savana, and 2007 Chevrolet Chevy Express. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Identifying Exhaust Differential Pressure Sensor
    GM1862637Courtesy of GENERAL MOTORS CORP.
  1. Position the exhaust differential pressure sensor to the frame.
    2. NOTE: Refer to Fastener Notice .
  2. Install the exhaust differential pressure sensor bracket bolt (2).

    Tighten:  Tighten the bolt to 9 N.m (80 lb in).

  3. Install the exhaust differential pressure sensor pipe assembly hoses to the sensor.
  4. Position the exhaust differential pressure sensor pipe assembly hose clamps (1).
    5. Fig 2: Identifying Engine Wiring Harness Electrical Connector
    GM1862627Courtesy of GENERAL MOTORS CORP.
  5. Connect the engine wiring harness electrical connector (1) to the exhaust differential pressure sensor.
  6. Lower the vehicle.
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.