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Home >> Ford >> 1981 >> Courier 2.0L Eng VIN 1 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Courier >> Courier >> Testing >> PCV Valve (2.3L)
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PCV Valve (2.3L)

Remove oil filler cap. Hold PCV tester (V-44 or equivalent) securely over opening in valve cover to prevent leaking. Start engine, operate at idle. If check ball settles in green (good) area, system is "OK". If check ball settles in red (bad) area, system requires servicing.