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Home >> Mercury >> 1990 >> Cougar/XR7 V6-232 3.8L SC >> Repair and Diagnosis >> Powertrain Management >> Ignition System >> Ignition Timing >> Adjustments
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Ignition Timing: Adjustments


The initial timing is preset at 10° +/- 2° BTDC and is not adjustable. On Distributorless Ignition Systems (DIS), spark advance is controlled by the computer system.