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Pontiac
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1980
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Firebird Formula, 4.9L Eng VIN W
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Repair and Diagnosis
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Engine Performance
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Ignition System
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Electronic Spark Control & Electronic Module Retard Ignition System
Electronic Spark Control & Electronic Module Retard Ignition System
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Description
Operation
Testing
Notes
Electronic Module Retard
Without C4 System
With C4 System
Electronic Spark Control
Engine Detonation
Poor Engine Performance
Engine Cranks But Does Not Start