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Home >> Saab >> 1995 >> 900 S, 2D Hatchback, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 9 (Engine Controls - Basic Testing) >> Idle Speed & Ignition Timing

Idle Speed & Ignition Timing

WARNING: This page is about a different car, the 1996 Saab 900. However, it is still accessible from the selected car via links, so may be relevant.

All models except 2.3L are equipped with a Distributorless Ignition System (DIS). Idle speed and ignition timing are controlled by the Electronic Control Module (ECM) and are not adjustable.