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Mike Nickele Posted on Jun 25, 2018

2005 Vespa PX150 reissue. Oil is leaking onto the exhaust, causing smoke. Where is it coming from and how do I stop it? It appears to be 2-stroke oil.

5 Related Answers

Anonymous

  • 375 Answers
  • Posted on May 18, 2008

SOURCE: 1992 ford tempo oil leak?

Definently sounds like the rear main seal. My 97' Dodge Ram has the same issue and it leaks in the exact spot and has the same symptoms. Changing the gasket on the rear seal in simple but it's hard to get it apart to get to it unless you have the right tools and mechanic know-how. Your car seems to be leaking more than mine so it seems to be worst, but it is most definently the rear main seal. I put gasket maker/sealer on mine and it temperarely stopped the leak but due to pressure it will always seem to start again. Your best bet is saving the money or if you have it, invest it and go ahead and have the problem fixed. Hope I was of some help.

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drona_n4

  • 1 Answer
  • Posted on Dec 04, 2008

SOURCE: 92 toyota camry XLE Engine oil leak onto manifold

yea i had the same problem, my last mechanic didnt tighten the top where d sprak plugs go in so it was leakin oil all they way down to the bottom where the exhaust runs and was smokin because of that... had it tightned and no longer ne smoke

mecanica03

ROBERT GARCIA

  • 926 Answers
  • Posted on Jul 05, 2009

SOURCE: porsche 993 turbo 1995 oil leak

this a turbo problem, you must to repair turbo

jack arons

  • 44 Answers
  • Posted on Sep 29, 2009

SOURCE: smoking caddy van 1.9 tdi

Check the oil fill cap and the radiator cap, see if you have a milky scum accumulation on either one, can indicate a blown head gasket or a cracked cylinder where the oil is burning and allowing water intothe hot cylinder which causes white smoke to be emmitted from tailpipe.

Anonymous

  • 583 Answers
  • Posted on Nov 15, 2009

SOURCE: 1990 Porsche 911 Carrara 2 Targa. Slight smell of

that oil leak or another is dripping on to the exhaust manifold or exhaust pipe ,that is where it is coming from,,

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Related Questions:

0helpful
1answer

Oil leak dr0ping onto exhaust caused white smoke

that will happen when oil evaporates on a hot exhaust
to stop it , repair the oil leak
0helpful
2answers

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.

Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be indicators that the blue exhaust smoke is caused by an internal engine oil leak. Internal engine oil leaks can also allow fuel to mix with the oil in the crankcase which will degrade the oil and prevent it from adequately protecting the engine.

Operating a car with a severely dirty oil filter, air filter or improperly functioning PCV valve can also sometimes result in engine oil blow-by, oil loss and blue exhaust smoke. Periodically checking the engine oil level with the oil dip stick will indicate if there is excessive oil consumption. Higher viscosity engine oil can sometimes temporarily reduce the amount of blow-by; however, this is not generally recommended. Excessive blue exhaust smoke indicates a possible internal engine oil leak that should be inspected by an ASE certified mechanic.

0helpful
1answer

95 camaro oil leak causing smoke

You need to determine if it is your oil pan, oil sender switch, oil filter, etc. dripping oil onto your exhaust causing the smoke, or if it is coming out of the exhaust itself. If it is dripping onto the exhaust, deal with sealing the affected area. (new oil pan gasket, sender switch, etc.) If coming out of the exhaust, indicated worn piston rings or valve seals.
0helpful
1answer

Engine concern

Smoke (blue or black) or steam (white)? White smoke is really steam that is caused by water leaking onto hot surface. Could be leaking from hose running to heater coil under dash, or something else. Check radiator water level to make sure water level is ok. Blue smoke is oil burning. This could be dangerous, caused by similar scenario of oil leaking on a hot surface (from a gasket leak, etc), or exhaust fumes. Black smoke means something is actually burning and could indicate fire. Black or blue some could fill vehicle cabin with toxic fumes, even if you don't smell anything bad.
0helpful
1answer

Smoke coming from under the hood on drivers side when i am stopped after oil change 2 days ago

check that the oil filter is not loose or leaking from the gasket. check that when filling the engine oil was not spilt over the rocker cover and has run down onto the exhaust manifold
0helpful
1answer

2003 lincoln aviator/how do you know if there's motor damage

Your car shouldn't have just suddenly started burning oil. Its possible it's leaking in the engine compartment and the leak is dripping onto the hot exhaust manifold and the. The smoke is blowing out the back as you drive. I would think it's unlikely that the engine has been damaged since the check-engine light should have come on if the oil level was low enough to cause damage.

If hii find that bluish smoke is coming from the exhaust pipes, then the next thing to check is whether it smokes on acceleration or deceleration. If the latter, it may be just a valve issue. If it smokes a lot on startup, then it may be rings.
1helpful
1answer

Hi , i have a porsche 928 s2 . when the engine has been running for a couple of mins it starts to smoke from the engine bay , it looks like oil is coming out of one of the gaskets at the top ? help jim

if the oil is leaking onto the exhaust pipe this will cause smoke as the exhaust pipe gets very hot & burns the oil, you will need to find out just where the oil is leaking from & repair the leak by replacing the gasket or whatever is causing the leak.....hope this helps......cheers.
1helpful
1answer

I change oil in my nissan titan v8 and after the engine started smokeing what do we do to stop the smoke.

if the smoke is coming from the engine bay, check for spilt oil or an oil leak, especially on the exhaust. clean/fix this and the smoke should stop.

if it is coming from the exhaust, check you have used the correct grade of oil (too thin oil may bypass oil seals slightly) and you have not overfilled the engine and this can cause internal pressure, causing oil to bypass the seals, or even blow oil seals completely. overfilling will also damage the catalytic converter.
1helpful
1answer

Blue smoke comes out of one of the exhaust

This cars are notorious oil burners due to poor valve guides in the heads. Easiest solution is to us 100% synthetic oil. Car will still burn oil, but you will not get the blue smoke as synthetic oil burns to an ash and not to a smoke. I have done this with my Lebaron, and it has stopped smoking for 2 years now.
7helpful
5answers

Blue smoke coming from exhaust

blue smoke out of 1.8 turbo its allways bad oil seal inside turbo.need new turbo or rebuild OEM. with 24 years experience working with vw never seen single headhasket go bad on 1.8 turbo engines.blue smoke its 100% turbo every time
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