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Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1990 Subaru XT6, 1990 Subaru XT, 1990 Subaru Loyale, and 1990 Subaru Legacy. However, it is still accessible from the selected car via links, so may be relevant.

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see the ADJUSTMENTS article in the ENGINE PERFORMANCE Section.

IDLE SPEED SPECIFICATIONS

Application (1) RPM
Legacy 600-800
Loyale
1.8L TBI 600-800
1.8L PFI 700-900
XT, XT6
Man. Trans. 600-800
Auto. Trans. 700-900
(1) Transmission in Neutral.
IGNITION TIMING SPECIFICATIONS (1)

Application Degrees BTDC @ RPM
Legacy 20 @ 700
Loyale
1.8L TBI 20 @ 700
1.8L PFI 20 @ 800
XT, XT6
Man. Trans. 20 @ 700
Auto. Trans. 20 @ 800
(1) On all models except Legacy 2.2L, connect test mode connector and ensure idle switch contacts are closed.