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Home >> Chevrolet >> 2001 >> Express 1/2 Ton Van V6-4.3L VIN W >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments

Ignition Timing: Adjustments

Timing Adjustment
The ignition timing is not adjustable. A timing indicator and timing marks are still visible at the crankshaft pulley but are not used to set or adjust ignition timing. The powertrain control module provides all ignition timing adjustments electronically.