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Home >> Pontiac >> 1988 >> 6000 V6-191 3.1L >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments >> W/Distributorless Ignition System (DIS)
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W/Distributorless Ignition System (DIS)


These engines use a DISTRIBUTORLESS DIRECT IGNITION SYSTEM. The ECM controls ignition timing and no provision for adjustment is provided.