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Home >> Chevrolet >> 1983 >> Hi-Cube 6.2 J, 475/M40 >> Repair and Diagnosis >> Engine Performance >> System >> Pulse Air Injection System >> Trouble Shooting >> Surge Or Poor Performance

Surge Or Poor Performance

May be caused by failure of 1 or more check valves. Exhaust gas will enter carburetor through air cleaner and cause poor driveability.