Can you use fuel line as a vacuum line?
Can I use vacuum hose for fuel line? Standard rubber vacuum or heater hose should never be used in fuel applications. The hose will deteriorate from the inside out and can plug fuel filters and carburetors with rubber debris, long before it springs an external leak.
What causes a PCV valve to crack in a car?
However, because the PCV valve is often made of plastic and as you may know – plastic ages. Because the PCV valve is often mounted in hot places inside the engine bay and because they pass a lot of fuel/ oil inside the hose at all the time, this will cause the PCV valve or the hoses to crack up sooner or later.
What are the symptoms of a stuck PCV valve?
Symptoms of a Stuck Open PCV Valve 1 Engine misfires at idle 2 Lean air-fuel mixture 3 Presence of engine oil in PCV valve or hose 4 Increased oil consumption 5 Hard engine start 6 Rough engine idle 7 Possibly black smoke 8 Oil fouled spark plugs More …
What should I do if my PCV valve is leaking?
If you find the hoses filled with slime, clean them with PCV solvent or lacquer thinner and replace the valve. Or, simply replace those components along with the PCV valve. Many engine models use a simple, inexpensive valve, and many car owners just replace it every service interval.
What are the symptoms of a bad crankcase valve?
Symptoms of a Bad or Failing Positive Crankcase Ventilation (PCV) Valve. 1 1. Excessive oil consumption and leak. A bad PCV valve may have a leak, which will cause excessive oil consumption. In addition, you may also notice 2 2. Contaminated filter. 3 3. Overall poor performance.
Symptoms of a Stuck Open PCV Valve 1 Engine misfires at idle 2 Lean air-fuel mixture 3 Presence of engine oil in PCV valve or hose 4 Increased oil consumption 5 Hard engine start 6 Rough engine idle 7 Possibly black smoke 8 Oil fouled spark plugs More
If you find the hoses filled with slime, clean them with PCV solvent or lacquer thinner and replace the valve. Or, simply replace those components along with the PCV valve. Many engine models use a simple, inexpensive valve, and many car owners just replace it every service interval.
When is it time to replace the PCV valve?
Most PCV valves contain a spring-loaded device. Once you remove the valve, shake it with your hand. You’ll hear a rattle. If you don’t, it is time to replace the valve. Even if the valve rattles, if your engine is experiencing one or more of the bad PCV valve symptoms described above, it’s a good idea to replace the valve.
What causes a milky substance in a PCV valve?
You may find traces of a milky brown fluid in the PCV valve or hoses when examining the system. This doesn’t necessarily mean there’s a problem with the valve or PCV system. A milky substance usually means moisture in the oil. The accumulation of moisture in the oil is usually caused by: frequent short trips (usually under 10 miles)