Although some maintenance schedules include an interval for replacing the positive crankcase ventilation, or PCV, valve, others may not. In the latter case, a general recommendation is to replace the ...
The PCV valve (positive crankcase ventilation valve) is a vital part of the emissions controlsystem on most vehicles. Not every vehicle has a PCV valve, but most do. If yours has one, and if your ...
We don't mean to be the harbingers of doom, but it's unwise to keep driving if your car's engine has a malfunctioning positive crankcase ventilation (PCV) system, particularly a bad PCV valve.