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Home >> Oldsmobile >> 1986 >> Ciera L4-151 2.5L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments







IGNITION TIMING
The OEM service manual does not specify an ignition timing procedure. Refer to the underhood emission label for ignition timing procedure. If the underhood emission label is missing, unreadable or incorrect then contact the vehicle manufacture for a replacement label.