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Home >> Nissan-Datsun >> 1979 >> 280ZX Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Evaporation System >> Testing >> Purge Control Valve

Purge Control Valve

Disconnect vapor hose from carbon canister at "T" fitting. Draw vacuum on vapor hose, there should be no leak. If valve does leak, remove purge valve and check for a damaged or cracked diaphragm, replace as necessary.