1991 Ford Probe GL, AutomaticFACTORY OEM SERVICE PROCEDURE

V8 Ignition Timing

NOTE: Ignition timing is not adjustable on models with DIS or EDIS.
V8 BASE IGNITION TIMING

Application Degrees BTDC @ RPM
5.0L PFI
Auto.Trans. 10 @ 575-725
Man.Trans. 10 @ 625-775
5.8L 2-Bbl. 14 @ 600
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.