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.

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 ...

Zak is new to the CarBuzz team, working as a freelance content writer. When Zak isn't writing How To articles for CarBuzz he's working as a high school automotive technology instructor. Before ...

My 2006 Mazda3 is burning oil like crazy. Is it possible the supplier for the valve stems seals during that time were faulty? Is there a way to check if the valve stem seals are in need of replacement ...

This particular error code denotes a lean running condition. That is, the engine either has too little fuel or too much air entering it. It's actually quite common on ...

As a car owner, you may wonder what a PCV valve is, considering it is a part of your car engine you are not aware of. Your car’s engine is the lifeline of your car and has to be in its best shape ...