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Home >> Chevy Truck >> 2001 >> Express 1/2 Ton Van V8-305 5.0L VIN M SFI >> Repair and Diagnosis >> Powertrain Management >> Tune-up and Engine Performance Checks >> Ignition Timing >> Timing Marks and Indicators >> Locations >> Timing Marks

Timing Marks

The ignition timing is completely controlled by the Vehicle Control Module (VCM). No timing reference marks are provided.

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