Question about 2001 Porsche 911 Carrera

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Is there likely to be a problem if there is oil in my air breather tube 2001 porsche cerrera

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You might try replacing the PCV (valve) which is supposed to relieve crankcase pressure by venting into the vacuum side of the intake system. You could also have some excessive piston blow-by due to ring wear.

Posted on Nov 17, 2009

Testimonial: "thanks for the input wasn't sure what kind of pvc system the 911 has"

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Try the correct oil type and weight. could be blow by or incorrect weight or type

Posted on Nov 17, 2009


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2001 hyundai accent, can you please tell me what that slim rectangular box attached to the airbox tube is and what it does

i would expect it is a breather connection to supply oily air to the air intake , will most likely have a wire gauze filter inside , this can be cleaned with a drop of petrol

Oct 20, 2014 | 2001 Hyundai Accent

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Going through oil lots of smoking oil in air filter

The "tube" from your oil fill to your breather should heve a n either metal or plastic piece in it . if you remove it and shahe it it should rattle , that is the one way check ball (no rattle = no good) this part is called the PVC (Positive Crankcase Ventelation) The lower end of your motoe needs to be vented and this is how it's done. Now that I've explained a little how it works ......the bad news , if you'r getting a lot of oil out of this into your air filter, you most likely have bad piston rings : ( If on a budget and cannot afford a new motor or get that one rebuilt you can unhook it from the air filter box and make a "catch can" and run the "pipe" which I'm assuming is a hose into it (so it is not dripping oil on your motor . It will buy you some time until you can get it fixed properly .

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1 Answer

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Could be any one of a number of problems but first i would check the engine breather which will be a tube from the rocker cover to the air intake as in this tube could be a gauze wire filter and this might need cleaning but iam not familar with this engine so i honestly couldnt tell you where to look for the breather or even what it looks like on this engine which iam assuming is a indian built engine .

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Emmision light stays on and engine misfires

hello there
Make shure you fuel filler caps is on corrrectly.Also water+oil filler caps have to be tight.
Then you could try mass air flow meter .
After try to have someone replace oil separator unit for you with the breather hose.


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2 Answers

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This is almost always the pressure sending unit for the oil pressure gauge. It is located at back topside of the motor, slightly to the right of the center of the engine. It is buried beneath the intake manifold.

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Oil blowing out of the dipstick tube.

On top of the valve cover there is a fresh air breather unit. Make sure the breather unit is not plugged.
Also the fixed orifice PCV should be clear. Find a tool that will go through the orifice and make sure it is clean.
Remove the vacuum hose and check it for cracks or internal damage. With the engine running, make sure you have vacuum through the hose.
Let me know when your finished cleaning the crankcase breather system.

Apr 09, 2009 | 1994 Jeep Wrangler

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