How do I know if my PCV hose is bad?
There are a few symptoms to watch out for when you have a bad or failing PCV valve hose.
- Poor fuel economy. If the PCV valve hose is clogged or has a leak, it may cause poor fuel economy.
- Check Engine Light comes on.
- Misfiring while idling.
- Noise from the engine.
Where does the PCV hose connected to?
A hose connects the top of the PCV valve to a vacuum port on the throttle body, carburetor or intake manifold. This allows the vapors to be siphoned directly into the engine without gumming up the throttle body or carburetor.
What hose can I use for PCV?
4 Answers. Yes, you could use any fuel and oil resistant hose. They are typically made of silicone, polyurethane or rubber. This will ensure longevity of the replaced hose.
Can you use PCV hose for fuel line?
While plain neoprene fuel line will still work for many applications, these other products are designed to meet specific needs. Standard neoprene fuel hose can be used for fuel, PCV and EEC systems on all vehicles where working pressures are under 50 psi or vacuum ratings are under 24-in. Hg for ½-inch diameter hose).
How to buy a good quality PCV valve hose?
YourMechanic supplies top-quality PCV valve hoses to our certified mobile technicians. We can also install a PCV valve hose that you’ve purchased. Click here to get a quote and more information on PCV valve hose replacement.
What are the symptoms of a bad PCV valve hose?
Cost of Replacing a Bad or Failing PCV Valve Hose. Common signs include poor fuel economy, the Check Engine Light coming on, engine misfires while idling, and noise from the engine. Our certified technicians can come to you and diagnose the problem. You will receive a $30 credit towards any follow-up repairs that result from the diagnostic.
Can a bad PCV hose cause poor fuel economy?
Poor fuel economy If the PCV valve hose is clogged or has a leak, it may cause poor fuel economy. This is because the vacuum on the intake side of the cylinder head will not be able to properly signal the correct amount of fuel that needs to be fed into the engine and can result in a lean or rich engine condition.
Why is the PCV hose taken out of the equation?
As before, the PCV hose is taken out of the equation because nothing is going to flow to the manifold now that the pressure in the intake manifold and the valve cover is about the same.