1989 Saab 9000 Base, StandardFACTORY OEM SERVICE PROCEDURE

Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to serpecification. For adjustment procedures, see the ADJUSTMENTS article in this section.

IDLE SPEED SPECIFICATIONS

Application RPM
900 Turbo 800-900
All Other Models 775-925
IGNITION TIMING (Degrees BTDC @ RPM) (1)

Application Specification
900 20 @ 2000
900S & 9000S 14 @ 850
900 Turbo & 9000 Turbo 16 @ 850
(1) Vacuum advance hose disconnected.
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.