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Home › Oldsmobile › 1997 › Achieva SL, 3.1 M, 4T60E/M13 › Repair and Diagnosis › Engine Performance › Engine Controls - Specifications - 3.1L › Ignition System › Ignition Timing

Ignition Timing

NOTE: All engines are equipped with an electronic computer-controlled ignition system. Timing on these systems is not adjustable.
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