Removal & Installation

2000 Mercury Mystique GS, 2.0 3, AutomaticSECTION Removal & Installation

Disconnect negative battery cable. Remove any component necessary to gain access to PCM. Loosen PCM connector retaining bolt (if equipped). Unplug harness connector from PCM. Remove 2 PCM mounting bolts. Remove PCM cover and PCM. To install, reverse removal procedure.

POWERTRAIN CONTROL MODULE LOCATION

Application Location
Contour, Cougar, LS, Mystique, Sable & Taurus Right Rear Of Engine Compartment, Mounted On Cowl
Continental Right Rear Of Engine Compartment, Under Cowl Cover
Crown Victoria, Grand Marquis & Town Car Behind Master Cylinder
Escort Center Of Instrument Panel, Below Center Console
Focus & Mustang Behind Right Kick Panel
RENDER: 1.0x

NO RELATED

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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.