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Home >> Saab >> 1990 >> 900 SPG, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

Ensure idle speed and ignition timing are set to specification. For adjustment procedures, see ADJUSTMENTS article.

IDLE SPEED SPECIFICATIONS

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

Application Specification
900 (1) 20 @ 2000
900S & 9000S 14 @ 850
900 Turbo & 9000 Turbo (2) 16 @ 850
(1) Vacuum advance hose disconnected.
(2) Timing is not adjustable on 9000 with DIS.