Question about 2003 Audi A4 Cabriolet

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Oil Burning smell in compartment while in idle

I own a 2003 audi cabriolet when in idle after a short (15 miles) drive while in park for only a few minutes it starts smelling like burnt oil inside the car. Any ideas?

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  • yadayada
    yadayada May 11, 2010

    Take the car in and have them check for the source of the oil leak that is getting on the exhaust.

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4 Suggested Answers

emissionwiz
  • 60790 Answers

SOURCE: Oil questions for 2003 Audi A6 Quattro

oil type is either 5W-30W or 10W-30W depending how cold your climate is, as far as having the car properly taken care of, the Audi dealer is the best option, they have all the proper tools and service info needed to keep the car in top running condition.

Posted on Oct 13, 2008

  • 272 Answers

SOURCE: Burnt Oil Smell

Check carefully around the valve covers, this is the area that leaks most frequently occur, and being located next to the exhaust manifold can easily cause the burning smell. There is a very easy to replace gasket under the cover. Other possibilities, shop or you when changed or added oil spilled a bit and that has worked down to the exhaust manifold and is causing the burnt oil smell. Last possibility is that you do have a slow leak on the underside of the engine that is blowing back onto the exhaust system causing the smell.

Posted on May 22, 2009

  • 1 Answer

SOURCE: Audi 2.8 Avant burns oil

hi kieran,
ur problem is very easy to solve, but its an expensive fix..........($$$)

i dont know how much u know about cars, but every car with en engine(other than the Wankel) which has pistons......the pistons run in the cylinders of the engine block......at the top of the engine is where all the work is done, at the bottom part(just below the pistons), there is a lot of oil to lubricate all of the fast moving engine parts.....when a car burs oil what usually happens is that the oil goes up from the crank case, squesses between the piston and the cylinder walls and gets burned with the gas......and vise versa, at the power stroke the exhaust gasses enter the crankcase and slowly burn the oil that way.......so oil burns every 2 of the 4 strokes......there is 4 strokes in one rpm......idling is about 1500 rpm for ur audi....u do the math.......and the oil slowly burns........when the car heats up the oil burns even faster bacuse the temperature of the oil is already high.......
the pistons are equipped with piston rings to prevent oil from getting into the combustion chamber and exhaust gasses getting into the crankcase.......and the tolerance between the pston and the cylinder is also very important for the car not to burn oil......
tehre are a few ways to fix it.........the best and the most expensive would be to: bore out the cylinders, get new pistons (v6...) and get new rings, and u also might need to get the block and heads faced off(if there is any warpage....the heads are aluminum...).......
this process is called and engine rebuild and could cost u well over $2000 depending on what kind of quality u are looking for.......(its not worth it.....especially for this car, they are very cheap)...

the cheapest way to fix the problem about 75% would be just to get new piston rings.......but as soon as u take those heads off....shaving them is a must if they are warped.........and while u still have them off u might need to do the valves, which could also help the problem......and while u have the pistons out, might as well change them too...right???? so its spendy......

u might also have another problem,......a faulty gasket or o-ring, and the oil might be leaking from that faulty spot right on the exhaust, and might burn the oil that way...........that would defently explain the smell getting into the car.....if this is what is wrong, then the fix could be very easy, fast, and cheap...

if ur burning too much oil, it could be both of the problems at the same time.........plus a few more on top of that......

i hope this helps.........
....now if someone could only help me.......

i know u have posted this a while back, and probably have the problem fixed by now, but if this could help anyone else, then its not a usless waste of time......

a-vtec

sanya


Posted on Jun 30, 2009

  • 114 Answers

SOURCE: hi have an audi a4 which has a very rough idle and

Your car is running extremely rich and the smell you are experiencing is raw fuel in the catalyst. If you keep driving this way the cat will clog and need replacing. You probably have one or more defective ignition coils, or you coil driver stage has gone bad (mounted inside the air cleaner housing)

Posted on Sep 18, 2009

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