Question about 2006 Audi A4

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99 A6 - 2.8 - engine vapour

Sometimes get a smelly smoke stream from the right side of the engine compartment. smells like it may be crankcase gas or something? Any idea on a fix? pcv valve?

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Ck to see if valve cover gasket is seeping oil onto hot exhaust manifold, making smoke and a pretty good odor

Posted on Nov 09, 2008

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Smell of brunt oil oil level is good but smoke of oil coming from engine


A very small amount of oil weeping onto something hot, manifold, turbo etc can give off considerable smell with little smoke. What's the miles?
When was the last service?
What condition is the engine?
Worn engine can give pressure in engine forcing oil fumes/vapour out of breathers onto hot surfaces which then enter car ventilation system.

Nov 07, 2013 | 2004 Pontiac Grand Am

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Mitsibushi pajero oil light time


White SWEET smelling smoke, or white OILY smelling smoke? If it's white thick SWEET smelling smoke, you have a blown head gasket - that's the smell of antifreeze burning in the engine, which it should NEVER do. If it's white OILY smelling smoke (smells a lot like diesel), then you're getting too much fuel into the cylinders.

If it's sweet-smelling smoke (antifreeze), pull the oil dipstick & check the oil level. If the oil level is HIGH and the oil looks like a mocha milkshake, that's absolutely conclusive - that's what happens when antifreeze gets into your oil, and it's nasty corrosive to engine parts.

I'm not at all surprised that the oil light is on if it won't start - you won't get much oil pressure until the engine is running.

Nov 05, 2013 | Cars & Trucks

1 Answer

Smell of gas passenger side engine compartment


Hi try some new spark plugs leads plus check for a possible vacume leak. thnx

Apr 16, 2013 | Ford Taurus Cars & Trucks

2 Answers

Engine smoke


Hi Sean, I'm in agreement with Wes, unless you drove through a puddle or river or somehow got water on the hot parts of your engine? When you say there's smoke coming from the engine, where is it coming from? Is the smoke coming from the exhaust tail pipe or is something leaking from somewhere in the engine compartment and dropping onto something hot and burning off there? If its the latter, have a look around the engine where the 'smoke' is most dense and look for dampness from, for example a tappet cover, a leakage in the cooling system or from the power steering system. If the smoke is coming from the tailpipe, as Wes has said there can be several reasons. The catalytic converter converts the harmful gas into water droplets which become vapour and looks like steam from start up until the engine is partially warmed. If the smoke is blackish grey it will usually mean that too much fuel is being fed into the combustion chamber and is not being burned completely. In the event of that happening a fault code should be recorded, but as you have not told us the vehicle you have we don't know how old it is, or if it is fitted with diagnostics. If it has a cat it should have. If the smoke is bluish grey the indication is oil burn. To test that, have someone sit in the car, start the engine and hold the RPM at about 2000. You go to the rear of the vehicle and if the smoke is that colour (bluish grey) suspect either worn piston rings or valve stem oil seals. Don't keep the engine at that RPM for more than 30 seconds, as we don't want to upset the neighbours or damage the engine. Please get in touch with us and let us know more details Regards John (and Wes)

Oct 14, 2012 | Cars & Trucks

2 Answers

I smell fuel in the cars interer and when I have the heater on it gets real smelly


Check for a fuel leak in or under the engine compartment. Do not delay this repair, it could result in a fire.

Mar 01, 2011 | Chrysler Concorde Cars & Trucks

2 Answers

Turns over well but is slow to fire off sometime. Can smell gas fumes inside the car as well as the outside. No black smoke from ehaust and no fuel leaks.


if you smell gas YOU DO have a fuel leak.... make sure your gas cap is good and or tight, also might want to look at your fuel pressure regulator.. the fuel system is pretty simple... let me know!

Jan 22, 2011 | 2003 Nissan Altima

2 Answers

Toyota 3y engine fuel system


LPG 3Y engine toyota crown comfort automatic - fuel consupmtion is 13.30litre per 100km? How can this be reduced?

Jan 08, 2010 | 2002 Toyota Camry

2 Answers

White smoke while idling


Is it smoke or steam thats coming out the tail pipe? Are you loosing coolant or overheating? It sounds like a classic head gasket problem to me. If it smells like gas it may be a bad FPR and what you are seeing is unburnt fuel vapour. If that is the problem, it is a cheap and simple fix.if not it might be head gasket problem only

Jul 19, 2009 | 1993 Cadillac Eldorado

1 Answer

Oil leaking..


Sounds like your oil leak is finding hot exhaust manifold and smoking/smelling. Make sure the oil filler caps and breather hoses that connect to the valve cover (Top of Engine) are attached securely. Try and determine exactly where the oil leak originates [Valve covers - top side, oil pan - underneath, or shaft seals - front and rear of engine, or left and right ends with the sideways (transverse) engine mounting]. Also check oil level - a blown head gasket or cracked head or block could lose coolant into the oil reservoir, causing an overfilled and thus leaking situation... this will show up as a creamy looking substance on the dipstick. If the engine is not making any other signs of abnormality, strange knocks or clicks, overheating, or losing gross amounts of fluids, make sure it has enough oil in the crankcase and drive it to a reputable mechanic for a true evaluation of the problem.

Jun 02, 2008 | 1995 Hyundai Sonata

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