How Do You Troubleshoot A Car Engine PCV System?
As part of the important emissions control system in your car, the positive crankcase wentilation system’s (PCV) primary function is to route toxic vapors out of the crankcase-main engine block-into the intake manifold for reburning in the combustion chamber. This prevents fumes not only from polluting the atmosphere but corroding engine parts, building sludge and diluting oil. Problems in the PCV system may cause an engine to idle unevenly, increase idle speed or stall. Here we will go through some simple steps for you to troubleshoot and repair the PCV system in your own vehicle. So let’s start. Locate the PCV valve. Most likely you will find it in the valve cover, on the oil filler cap or around the intake manifold. Take a close look at the PCV valve, hoses, connectors and eyelets or grommets around openings. Make sure they all are in good condition. Replace any part if necessary. Follow the PCV hoses, starting at the valve cover. Disconnect and inspect one by one. Make sure they ar
