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Home >> Pontiac >> 1991 >> J2000/Sunbird V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments



With the DIS ignition system, the reluctor is an integral part of the crankshaft, and the crankshaft sensor is mounted in a fixed position, therefor timing adjustment is not possible.