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Home >> Chevrolet >> 2001 >> Express 1/2 Ton Van V8-5.7L VIN R >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments >> Standard Models (Non-Alternative Fuels)
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Standard Models (Non-Alternative Fuels)

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.