1991 Ford Explorer 4D Utility, RWD, StandardFACTORY OEM SERVICE PROCEDURE

Test 9, Check Dis Module Mounting Screws

Check DIS module mounting screws for corrosion or looseness. If mounting screws are clean and tight, replace DIS module, and check for fault codes. If screws are not clean and tight, clean or replace screws. Clean mounting area on DIS module. Check for fault codes. If vehicle still does not start, go to next test.

Factory Service Tools

Use the Manual With the Right Hardware

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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