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Buick
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1991
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Century V6-204 3.3L VIN N FI
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Repair and Diagnosis
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Powertrain Management
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Ignition System
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Ignition Timing
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Specifications
Ignition Timing: Specifications
IGNITION TIMING
This engine uses a Computer Controlled Coil Ignition (C3I) system, and timing is non-adjustable.