Question about 2006 BMW X5 4.4i

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Engine vacuum leak and oil level come down and car smoking and engine noise

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  • BMW Master
  • 1,268 Answers

You can find the vacuum leak easily. With engine running, spray some starting fluid near where you suspect the leak to be. If the engine speeds up from sucking the starting fluid in at the leak, you found the leak. Fix it. As for the burning oil and engine noisy, you will need to rebuild or replace the engine because it's worn out.

Posted on Nov 30, 2014

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Posted on Jan 02, 2017

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duane_wong
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SOURCE: bmw 530i model 2001 230000

STP won't stop the leak, only disassembling and replacing the seal. However, the car could be burning oil but the catalytic converter will complete the combustion of the 'smoke' to water (H2O) and Carbon Dioxide (CO2).

At 230,000 KM, I wouldn't be surprised that the rings are worn or the valve seals are leaking internally.

Posted on Jan 13, 2011

c1apton15
  • 3400 Answers

SOURCE: car is making a whistle

Check all your vac lines and intake "bellows"(large round rubber hose) for cracks or disconnects -you have a vac leak

Posted on Mar 24, 2011

  • 1966 Answers

SOURCE: Hi all, while ago I had a leak from the car I own

-Check oil level. There is not leak but it could be burn already.


Mai

Posted on Oct 10, 2013

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I have a 2009 passat cba engine 2 ltr oil level rises in 3 hours fuel not a tandem vacuum pump and it runs a treat no smoke until oil level rises high starts first time every time no misfire


Do you smell gasoline in the oil? If you do the diaphragm in the engine transfer pump is leaking. You have to determine why the oil level is rising in order to find the cause.

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Why is my 2000 kia sephia blowing blue smoke from the tailpipe. it has 86,000 miles. the check oil warning light is on even though the dipstick reads full.


The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. This is most frequently seen in older or high mileage cars with worn seals and gaskets. It only requires a very small amount of oil leaking into the cylinders to cause excessive blue exhaust smoke.

Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.

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1 Answer

Blue smoke coming from exhaust


Blue smoke coming out of the exhaust indicates that oil is getting into the piston cylinder and being burned along with the gas. This could be a leaking head gasket, worn piston rings, or the wrong weight engine oil (viscosity too low). A leak down test will be needed to diagnose.
Have you checked your engine oil level?

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My car is jerking. It's a 2003 ford tarus. It also


Open the hood and find the source of the smoking. Check all the engine fluids-the oil level (and appearance-is it clean?) and the coolant level. If low on either, you may have a leak that is causing the smoking. The fluid may be dripping on the hot exhaust. Also check the transmission fluid and add if low. That may be the reason for the jerking. The hissing hose sound is usually a disconnected or broken vacuum line. That would not be causing the smoking, however. Just may make the engine run a bit rough, and the idle speed may be a bit higher than normal.
If the smoking has a burnt electrical smell, better have a shop check it out.

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1 Answer

When i check the oil level in my huyndai avante xd 2006 i found the the oil level is down , no smoke or leak from the car .. What's the Problem ?


All motors will use a small amount of oil over a period of time. It is used by boiling off in the sump from blow by around trhe rings and ring gaps, smoke vapour through the manifold system and general leaks around the engine or sump gasket. It is necessary to lubricate the rings as they are moving. However having said that consumption in excess of 1 liter pre 5000 miles would bear investigation as it will point to engine wear or leaking oil seals

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I havea daewoo nubira and we replaced the valve cover gasket yesterday , did an oik change and now the engine is smoking white smoke. Try to check to hoses, could not see a leak. Where is the cylinder...


Hello and welcome to FixYa!

The cylinder head is located on the center of the engine. Yes it can be a worn out head gasket or piston rings. If the piston rings are worn out the oil is burnt that's why it emits white smoke. You will need to replace the head gasket and piston rings.

Hope this helps and thank you for using FixYa! Have a good one!

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1 Answer

Car overheating and engine light on


well, driving it 30 minutes after it over heated might have cause serious engine damage, warped head, and other bad engine wear, let the engine cool down park it in a level place and check the fluids, if the water has a milky substance in it then you have a bad problem, if the oil is low then check for leaks, check the transmission fluid for proper fluid level and that could stop the hard shifting.

the smoking could be coming from the fluids that leaked out and when they get hot will start smoking, antifreeze residue will smoke for a short time, it might just need to burn off

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I have a 2004 bmw 325i and it has a real ruff idle with a clacking noise it sounds like it has a vaccume leak and it will not click into gear. one thing i do no there is a bal valve cover 


compression test engine to check top end for problems(clacking noises could mean low oil pressure or level or bad lifters etc). Have the engins smoke tested for any vacuum leaks

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Engine smokes and burns of oil or something else burning.


if it is the camaro in the pick , they usually leak by the valve cover gaskets, right to the manifolds , that way the smoke and you don;t find the leak because it burns the oil

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My 1994 Ford Thunderbird now smokes when I start it - no noises in the engine, but smokes like crazy. Check engine light is one now?


state what color the smoke is. White smoke is antifreeze. Gray smoke is fuel, and black smoke is oil. Also have the computer scanned so you know why the light is on.

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