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Home >> Buick >> 1992 >> Regal V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Ignition Timing >> Timing Marks and Indicators >> Locations

Timing Marks and Indicators: Locations

The ECM controls ignition timing therefore no provisions for adjustment are required. No timing marks are provided on this engine.

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