Question about 2006 Volkswagen Jetta

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When i started the car a lot of blue smoke came out then when i drove off black smoke came out

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Blue smoke usually indicates a faulty turbo unit , black smoke is usually fuel that didnt burn correctly .

Posted on Aug 02, 2010

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Expensive repairs are waiting for you.


Posted on Jul 28, 2010

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I have a Brute Force 750, starts OK but runs rough after a few minutes, will start smoking a smelly black/gray smoke, and most recently some blue smoke.


When the head gasket fails on a liquid (water) cooled engine the typical smoke colour is white (steam) and that becomes rather underlined by the steady drop of the coolant level and often clear evidence combustion gas is leaking into the cooling system.

Smelly black/grey smoke tends to be produced by an over-fuelling condition such as a stuck choke or strangler or other cold starting aid or perhaps carburettor flooding.

Blue or blue/grey smoke is invariably engine oil burning but I suggest you ignore that until the black smoke problem is rectified and after a short time the blue smoke might also disappear. If it doesn't it could be related to the overheating but the black smoke probably wasn't caused by that...

Mar 18, 2017 | Cars & Trucks

1 Answer

Why my toyota camry smoke at star up


The smoke might be white, blue, or sooty black.

If white, some such vapor is normal on a cold start, but lots and lots indicated a water leak into the inlet manifold or a cylinder, probably a gasket leak. If a head gasket leak, this would cause quick overheating.

If blue,this is oil smoke from worn piston rings or worn valve stem seals. Oil can also get into the inlet manifold via a faulty PCV valve. A compression check will tell you more.

If sooty black, this is over-rich fuel mixture, and may be due to a number of things, such as a faulty temperature sender, a faulty fuel pressure regulator, or a stuck-open injector.

Jun 08, 2014 | 1993 Toyota Camry V6

1 Answer

Blowing blue smoke


Hi can you tell me make and model. Does the car blow blue smoke all the time and other than smoke any other symptons? poor starting , power loss etc.
I had a similar problem on a golf gti after servicing drove very well but smoked on start up, and found to be the high grade fully synthetic oil recommended by the factors was simply too thin, and thus giving me by pass on worn valve seals and pistons on older engine sometimes a thicker grade oil is better.

Dec 01, 2013 | Audi Cars & Trucks

1 Answer

Why is my cadillac 4.5 engine smoking


What color smoke ? Blue = oil burning , black = too much fuel (rich) white = coolant - blown head gasket ,cracked head or block . White also could be caused fuel running through the engine , no combustion !
What Your Exhaust Smoke Is Trying To Tell You

Stuck Open Fuel Injector how to fix

Jun 13, 2017 | Cadillac DeVille Cars & Trucks

1 Answer

Car died today in the parking lot. sounded like it wasn't getting fuel. then when you start it it just spins and it caught slowly. then it started. I reved it up and drove it home. I turned it off and...


You will need to find out whether there is too much or too little fuel being delivered to the engine.Was thare any black smoke when it did start?

Sep 06, 2011 | 2005 Nissan Pathfinder

1 Answer

Lots of exhaust coming from my car?


You mean lots of smoke? White, blue, black? Or just smelly stuff? Rotten eggs or shotgun shells, usually an oxygen sensor. I will give you the rundown, white smoke when first starts up is gas, should clear up in a minute.No big deal, normal. Black smoke, carbon, burning rich, settings are way off, computer is not right, oxygen sensors or air flow sensors are bad. Blue smoke is oil, you have lost comp and oil is getting into the cyclinders. Steam, comes out after it warms up and is a blown head gasket. You can look for oil in the radiator. A radiator shop can tell you if it is blown or not. Hope this helps.

Apr 02, 2010 | 1991 Toyota Corolla

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