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Home >> Mazda >> 1977 >> RX-4 4D Sedan, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Exhaust Emissions System - EVAP >> Maintenance
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Exhaust Emissions System - EVAP: Maintenance

Check entire system for proper functioning every 12, 500 miles. Check valve should be tested every 25, 000 miles. Replace parts as necessary.