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Home › Oldsmobile › 1998 › Achieva 2.4 T, 4T40E/MN4 › Repair and Diagnosis › Engine Performance › Engine Controls - Adjustments - 2.4L › Ignition Timing

Ignition Timing

NOTE: All engines are equipped with C(3  )I, DIS or IDI ignition systems. Timing on these systems is not adjustable.
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