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No, the only thing a dirty PCV valve will cause is a build-up of gas pressure inside the engine which make seals and gaskets fail.

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How important to change PCV valve Nissan pickup 1994?

It is very important to change PCV valve. If valve is old it will plug or seize. This will cause oil pressure to rise and may cause leaks. Most likely the valve cover gaskets will leak if PCV valve is plugged.


Bad PCV valve smoke?

A bad PCV valve can cause the engine to smoke. The valve is easy to change in most engines to correct the problem.


Will a defective PCV valve cause as engine to not run?

If the vacuum hose connected to the PCV valve was disconnected, it would idle poorly if at all, otherwise, no.


Can a bad PCV valve cause oil consumption?

yes. if the valve is plugged or stuck closed, oil can be sucked into the intake through the pcv breather.


What happens If you have the PCV valve plugged off?

Positive Crankcase Ventilation (PCV). The PCV valve acts as a vent to the upper engine removing excess combustion gases via vacuum lines that plug into the valve. A dirty or restricted pcv valve and cause excess pressure on internal oil seals and gaskets.


How do you replace the PCV valve on your 1986 Chevrolet Nova?

Pull upward on the hose that the PCV valve is in. The PCV valve will pull out of the hose. The PCV valve is located in the valve cover.


Would a PCV valve cause your truck to lose power?

NO it would not.


What can cause oil leaking into your air filter?

Bad PCV valve.


What could cause oil going into your air cleaner box?

Stuck or bad PCV valve on the Valve Cover to the carb or throttle body. The other is the EGR valve. Most likely the PCV.


How do you change ford 500 PCV valve?

Disconnect the PCV valve tube from the PCV valve.Disconnect the PCV valve electrical connector if it has one.Turn the PCV valve counterclockwise to remove from the valve cover.To install, reverse the removal procedure.


What does a bad PCV valve cause?

oil leak and poor gas milage


Would a bad PCV valve cause oil to go to your carb?

Yes it will.