Idle Speed & Ignition Timing

2000 Subaru Forester L, AutomaticSECTION Idle Speed & Ignition Timing

Verify idle speed and ignition timing are set to specification. See IDLE SPEED SPECIFICATIONSΒ  and IGNITION TIMINGΒ  tables. For adjustment procedures, see ON-VEHICLE ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS

Application RPM
Forester & Impreza
With A/C Off
A/T 600-800
M/T 550-750
With A/C On 800-900
Legacy
With A/C Off
A/T 600-800
M/T 550-750
With A/C On 750-950
IGNITION TIMING (1) (Degrees BTDC @ RPM)

Application Auto. Trans. Man. Trans.
Forester & Impreza 15 @ 700 10 @ 650
Legacy 10 @ 700 10 @ 650
(1) To improve stability, timing is controlled while engine is idling. Timing range is plus or minus 8 degrees (10 degrees on Legacy).
RENDER: 1.0x

NO RELATED

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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.