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Home >> Porsche >> 1979 >> 930 >> Repair and Diagnosis (Single Page) >> Engine Performance >> Engine Control Systems >> Exhaust Emissions System - Air Injection System >> Maintenance
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Exhaust Emissions System - Air Injection System: Maintenance

Every 15, 000 miles the air intake filter should be replaced. At this time, also fully inspect the air injection system for any obvious defects. Replace other items as necessary.