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Home >> Buick >> 1990 >> Century V6-204 3.3L VIN N FI >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Ignition Timing >> Adjustments

Ignition Timing: Adjustments

This engine uses COMPUTER CONTROLLED COIL IGNITION (C3I) system. The ECM controls ignition timing and no provisions for adjustment are provided.

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