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HOMESERVICE MANUALSPONTIAC2006G6 GTP, 2D COUPE, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 928 (ENGINE CONTROLS AND FUEL - 3.8L - INTRODUCTION (2 OF 2))REPAIR INSTRUCTIONSPOWERTRAIN CONTROL MODULE REPLACEMENTREMOVAL PROCEDURE
2006 Pontiac G6 GTP, 2D Coupe, Standard

Removal Procedure

2006 Pontiac G6 GTP, 2D Coupe, StandardSECTION Removal Procedure
WARNING: This page is about a different car, the 2007 Buick Lucerne. However, it is still accessible from the selected car via links, so may be relevant.
    Fig 1: Locating MAF/IAT Sensor Harness Electrical Connector
    GM1688912Courtesy of GENERAL MOTORS CORP.
  1. Using a scan tool, retrieve the percentage of remaining engine oil and automatic transaxle fluid life. Record the remaining engine oil and transaxle fluid life.
  2. Ensure that the ignition is in the OFF position.
  3. Disconnect the negative battery cable. Refer to Battery Negative Cable Disconnection and Connection .
  4. Remove the intake manifold cover. Refer to Intake Manifold Cover Replacement .
  5. Disconnect the engine harness electrical connector from the mass air flow/intake air temperature (MAF/IAT) sensor.
    6. Fig 2: Identifying Positive Crankcase Ventilation (PCV) Tube
    GM1685531Courtesy of GENERAL MOTORS CORP.
  6. Remove the positive crankcase ventilation (PCV) tube from the air cleaner outlet duct.
    7. Fig 3: View Of Air Cleaner Outlet Duct & Throttle Body
    GM1688934Courtesy of GENERAL MOTORS CORP.
  7. Loosen the air cleaner outlet duct clamp at the throttle body.
  8. Remove the air cleaner outlet duct from the throttle body.
    9. Fig 4: Identifying Air Cleaner Upper Housing
    GM1670787Courtesy of GENERAL MOTORS CORP.
  9. Disengage the lower housing clips (1).
  10. Disengage the upper housing front tabs from the lower housing.
  11. Remove the air cleaner upper housing.
    12. Fig 5: Identifying Air Cleaner Lower Housing
    GM1664479Courtesy of GENERAL MOTORS CORP.
  12. Disengage the engine harness electrical connector lever locks at the PCM.
  13. Remove the engine harness electrical connectors from the PCM.
  14. Remove the PCM from the air cleaner lower housing.
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.