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Home >> Dodge and Ram >> 1988 >> Colt Base >> Repair and Diagnosis >> Engine Performance >> System >> High Altitude Compensation System >> Operation >> CARBURETED

High Altitude Compensation System: Operation: CARBURETED

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At high altitude, control valve is opened by HAC bellows. This allows air to bleed through valve into primary main well. At low altitude, control valve remains closed and no additional bleed air flows to main well.