All modern automobiles that use combustion engines for producing power have positive crankcase ventilation (abbreviated as “PCV”) valve. The main task of this value is to the buildup of gasses in the engine chamber to escape in a controlled manner with the correct air-to-fuel ratio.
However, since they carry grease, moisture, and oil with them, the residue may build inside of the PCV valve. If the deposits start building up too much, it will cause trouble for the valve to open up properly.
This leads to significant engine damage, reduced engine efficiency, and power, and decreased gas mileage, all of which are symptoms of a dirty PCV valve. Over time, the PCV will get dirty with the various residue of liquids.
Car manufacturers suggest that the best solution to this problem is to get your PCV valves replaced or cleaned after driving somewhere between 20,000 and 50,000 miles. However, this may vary depending on the vehicle you are driving.
Therefore, you might have to consult your owner’s manual to see the accurate time/miles after which a replacement or cleaning is due. Some PCV valves may also have a varied location depending on the type of car you are driving. Are you planning to take clean your PCV valve?
If so, then here are a few do-it-yourself tips. The valve is usually replaced during scheduled tune-ups. However, if you don’t have enough time to visit a mechanic, following these tips might prove useful.