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Home >> Pontiac >> 1984 >> 2000 Sunbird Base, 2D Hatchback, 1.8 J, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - Multi-Point >> Trouble Shooting >> Detonation

Trouble Shooting: Detonation

Improper fuel octane rating. Check for high fuel pressure caused by defective fuel pressure regulator.