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Home >> Ford >> 1982 >> Courier 2.3L Eng VIN 2, Automatic Trans >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Evaporative Emissions System >> Testing >> Shutter Valve

Shutter Valve

Start engine and run at idle. Remove air cleaner element and make sure shutter valve opens fully. Disconnect vacuum sensing tube from vacuum diaphragm and make sure valve closes fully.