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Home >> Dodge and Ram >> 1987 >> Pickup D150, 5.2 2 >> Repair and Diagnosis >> Engine Performance >> System >> 3.7L/3.9/5.2L EFC System >> Operation >> Spark Control >> Advance From Speed

Advance From Speed

Advance based upon engine speed (RPM) is controlled by the computer when the carburetor switch is open. If carburetor switch closes, advance from speed will be canceled.