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Home >> Saab >> 1989 >> 9000 Base, Standard >> Repair and Diagnosis >> External Pages >> Different car >> Section 5 (Engine Controls - Basic Testing) >> Idle Speed & Ignition Timing
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Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1990 Saab 9000 and 1990 Saab 900. 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 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.