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How much does it cost to replace a PCV valve?

The cost to replace a PCV (Positive Crankcase Ventilation) valve can vary, but typically ranges from $50 to $200, depending on the make and model of your vehicle. The PCV valve is an important component in your car's engine that helps regulate the flow of crankcase gases, and replacing it is a relatively straightforward maintenance task.


What is a PCV Valve?


The PCV valve is a small, one-way valve that is part of the engine's crankcase ventilation system. It helps to regulate the flow of gases from the crankcase (the lower part of the engine where the oil is stored) back into the intake manifold, where they can be burned off in the engine's combustion process. This helps to reduce emissions and improve engine efficiency.


Why Replace the PCV Valve?



  • Wear and Tear: Over time, the PCV valve can become stuck, clogged, or worn out, which can cause it to malfunction and lead to various engine problems.

  • Engine Performance: A faulty PCV valve can cause issues like reduced fuel efficiency, rough idling, and even engine damage if left unchecked.

  • Emissions: A malfunctioning PCV valve can also contribute to increased emissions, which can be a problem in areas with strict environmental regulations.


Replacing the PCV valve is a relatively simple and inexpensive maintenance task that can help keep your engine running smoothly and efficiently.


Cost Factors


The cost to replace a PCV valve can vary depending on several factors, including:



  • Vehicle Make and Model: The cost of the replacement PCV valve can vary significantly based on the specific make and model of your vehicle. Luxury and high-performance vehicles tend to have more expensive PCV valves.

  • Labor Costs: The labor cost to replace the PCV valve can also vary, depending on the difficulty of the job and the hourly rate of the mechanic.

  • Location: The cost of parts and labor can also be influenced by the geographic location, with prices generally being higher in urban areas compared to rural areas.


In general, you can expect to pay between $50 and $200 to replace a PCV valve, with the average cost being around $100 to $150 for both parts and labor.

Can I replace a PCV valve myself?


With the right tools and parts from O'Reilly Auto Parts, replacing a bad PCV in your vehicle is a repair you can do yourself.



Is it OK to drive with a bad PCV valve?


Potential Engine Damage: Prolonged driving with a bad PCV valve can cause oil sludge buildup and other engine problems over time. If you suspect that your PCV valve is bad, it's best to have it inspected and replaced as needed to avoid further complications.



How much does labor cost to replace a PCV valve?


The average cost for a PCV Valve Replacement is between $87 and $109. Labor costs are estimated between $58 and $73 while parts are priced between $29 and $37.



Is it worth replacing PCV valve?


If you don't replace the PCV you will not vent the gases that build up inside the crankcase. Those gases will condense on the interior parts and generate sludge as well as acid. Your engine will not last as long and it will emit more pollution.



What are the symptoms of a bad PCV valve?


Bad PCV Valve Symptoms

  • Excessive blow by in the turbo inlet (usually seen as a pool/puddle of oil in there)
  • A puff of blue smoke on startup (mainly cold start).
  • Increased oil consumption.
  • Various metered air codes paired with an EPC/CEL with limp mode (P2779 and P0068 come to mind).



Will a bad PCV valve throw an engine code?


If the device detects a problem with the PCV system, it will turn on the check engine light and store a corresponding diagnostic trouble code in memory. A stuck-open PCV valve can also disrupt the air-fuel mixture and cause misfires that trigger the check engine light.



What is the life expectancy of a PCV valve?


There isn't a specific lifespan for a PCV valve, but you can usually plan to replace it anywhere between 20,000 and 50,000 of driving. Like many other parts of your car, regular maintenance will extend the life of your PCV valve, while neglecting regular oil changes and signs of trouble will shorten it.



Can you replace a PCV valve yourself?


With the right tools and parts from O'Reilly Auto Parts, replacing a bad PCV in your vehicle is a repair you can do yourself.



Will a bad PCV valve throw a code?


If the device detects a problem with the PCV system, it will turn on the check engine light and store a corresponding diagnostic trouble code in memory. A stuck-open PCV valve can also disrupt the air-fuel mixture and cause misfires that trigger the check engine light.



What is the lifespan of a PCV valve?


How often should you replace your PCV valve? There isn't a specific lifespan for a PCV valve, but you can usually plan to replace it anywhere between 20,000 and 50,000 of driving.


Kevin's Auto

Kevin Bennett

Company Owner

Kevin Bennet is the founder and owner of Kevin's Autos, a leading automotive service provider in Australia. With a deep commitment to customer satisfaction and years of industry expertise, Kevin uses his blog to answer the most common questions posed by his customers. From maintenance tips to troubleshooting advice, Kevin's articles are designed to empower drivers with the knowledge they need to keep their vehicles running smoothly and safely.