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Home >> Chevrolet >> 1991 >> G 10 Van V6-262 4.3L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments


To set ignition timing on this engine put EST in bypass mode by disconnecting the timing connector. This is a tan wire with a black stripe. This timing connector breaks out of the engine wiring harness conduit and is located adjacent to the distributor.