2004 GMC Jimmy 2D Utility, Part Time, AutomaticFACTORY OEM SERVICE PROCEDURE

Removal Procedure

Other than checking for a worn grommet and loose electrical connectors, the only service possible is a unit replacement if the diagnosis shows a malfunctioning manifold absolute pressure (MAP) sensor.

  1. Turn OFF the ignition.
  2. Fig 1: View Of MAP Sensor Harness Connector
    GM12817Courtesy of GENERAL MOTORS CORP.
  3. Disconnect the MAP sensor harness connector.
  4. Fig 2: View Of MAP Sensor
    GM10933Courtesy of GENERAL MOTORS CORP.
Factory Service Tools

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Pair factory procedures with proven DIY tools so the instructions are easier to execute.

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.

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