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Its missing a hose from the valve cover what is the hose called?

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Oil breather or PCV Valve

Posted on Jul 04, 2010

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Posted on Jan 02, 2017

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00Linc ls v8 hose connected to side of throttle body from valve cover disconnected at throttle body noticed oil what's wrong


That will be your PCV hose. If there is no valve there it is missing.
Engine will not run properly due to vacuum leak, and crankcase will be venting through valve cover, hence the oil.

Dec 06, 2015 | Cars & Trucks

1 Answer

Revs up while idling


If you didn't correctly reinstall the PCV hose from the black box at the throttle body back on to the valve cover, you might have a vacuum leak causing your high idle. I'd check that first. That is a common mistake to miss that rubber hose. It's hidden underneath the black box at the front of the valve cover. If it is loose, just loosen up the boot at the throttle body, and the two bolts on the right side of the black box above the valve cover. Reposition the 90 rubber hose back on to the valve cover and recheck it. A hissing noise with the engine running is a good indication that the engine has a vacuum leak somewhere- usually a rubber hose disconnected from the intake manifold or throttle body.

Oct 18, 2013 | Chevrolet TrailBlazer Cars & Trucks

2 Answers

What is the part name for the hose on top of my Protege DX valve cover?


Just the hose or the PCV (not pvc) valve? The hose is probably a dealer-only item - go to the Mazda parts department w/the broken piece and they'll get you a new one. The PCV is avl. @ most auto parts stores - and is cheap - <$20.

GL,
Td

Oct 08, 2012 | 1993 Mazda Protege

1 Answer

Line that goes from pcv to carb


It would be called a PCV hose, or an Engine Ventilation hose.
It directs engine crankcase fumes into the carby, air intake system.

Jul 23, 2012 | 1992 GMC Jimmy

1 Answer

Where is the pcv valve located ?


Hi,
It is a hose with a metal/plastic made one way valve. Locate on top of your engine oil cover ( you could see it by the side of the cover ), the air which came from the over excess compress gas from piston, its called blowback.
The blow back gas goes through that PVC valve and goes back to the intake manifold.
Just look for the hose from the cover of the engine and connected to the airfilter intake hose! Look at the hose closely between end you will see the valve.
Hope that helps you out!

Jun 22, 2011 | 2004 Mitsubishi Galant

1 Answer

I have a 2002 cavaliry Z24. It has the 2.4 engine. It has a bad miss. The trouble code that was givrn was po302. I have replaced the spark plugs and wires. I was wondering if there is a way to test the...


P0302 is random misfire on cylinder #2.

Most comment cause is vacuum leak at the intake manifold and vacuum hose.

If you valve cover is leaking oil on then DO THE HOLD JOB.

Remove valve cover to gain access the intake manifold.

Change the intake gasket and valve cover gasket.

Dec 12, 2009 | 1996 Chevrolet Cavalier

2 Answers

Emission Control warning light illuminated Audi A6 2.0 TDi


im missing a hose from my valve cover what is it called?

Jul 11, 2009 | 2007 Audi A6 Avant Wagon

1 Answer

Identify Hose


that's your valve cover breather hose. part of the PCV system.

Mar 27, 2009 | 2001 Ford Focus

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