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Home >> Subaru >> 1983 >> DL 4D Sedan >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Operation >> Federal 4WD Models
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Federal 4WD Models

Fresh air is supplied to the exhaust port on the No. 2/No. 4 cylinder side by the air suction valve (ASV-III). Since ASV-III does not have a cut-off valve, it operates continuously. See Figure .