What are the symptoms of a bad PCV valve?

Common signs of a faulty PCV valve include excessive oil consumption, oil leaking, a blocked breather filter, and reduction in overall performance.

What happens when PCV valve fails?

If the valve doesn’t open and close on schedule, or if any part of the system clogs, the result can be a rough idle, sluggish acceleration or increased oil consumption. Rough idling is commonly caused by bad spark plugs, so problems with the PCV valve are often misdiagnosed.

Will PCV valve cause rough idle?

a faulty pcv valve can cause a number of problems: 1. rough idle or stalling: if the plunger is stuck open, the pcv valve will allow too much air to enter the engine. this can cause a lean air-fuel mixture, resulting in a rough idle or stalling.

Can you drive with a failed PCV valve?

Although its never recommended to drive any longer than you should with a damaged component, driving 12 hours with a damaged PCV valve could be very risky.

How much should it cost to replace a PCV valve?

The average replacement cost for a PCV valve is anywhere from $35 to $75. The part itself only costs around $10 or $15. If you know how to replace the valve yourself, you could cut out the labor costs altogether and only pay $10 or $15 for the replacement.

How much does it cost to replace a PCV valve?

Is there a recall on Subaru PCV valves?

Subaru recalls 57,000 vehicles that could lose power due to PCV valve separations. December 12, 2019 — A Subaru positive crankcase ventilation (PCV) valve recall has been issued for more than 57,000 vehicles that may need new engines.

What causes a PCV valve to separate?

The automaker continued to investigate the problem, and engineers found heating and cooling cycles could cause a gap to form between the steel PCV valve washer and the aluminum PCV valve case. The automaker also determined other components surrounding the aluminum PCV valve case could press into the case and contribute to the separations.

What is the Subaru recall number for the short block engines?

The short block engines will be replaced if the separated parts are not located. The recall is expected to begin January 24, 2020, but concerned owners may contact Subaru at 844-373-6614. Subaru’s recall number is WUW-08.