Question about 2001 Audi A4

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EXCESIVE SMOKING ON IDLE ONLY

EXCESIVE SMOKING ON IDLE & START UP ONLY.DRIVES PERFECTLY WITH NO SMOKING.TOO MUCH SMOKING TO BE VALVE SEALS OR GUIDES

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Maybe your turbo

Posted on Jul 16, 2008

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My car is leaking oil and smokes from tailpipes. The smoke is almost odorless and has a blueish tinge. It does not overheat and still drives good i just cant figure out wher oil is coming from and how to...


Pull your sparkplugs out and check for plugs soaked with oil.If you find any wet with oil then you have worn valve seals or valve guides my guess would be valve seals.

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burning oil, worn piston ring, bad valve seals. if its smoking bad it should have a check engine light on. check codes that will tell you the problem.

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Blue smoke from tailpipe when starting engine. Does not seem to smoke after start up.


More than likely you have worn engine valve guides and or seals.

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'94 jeep grand cherokee is smoking thick white smoke


CHECK YOUR PCV VALVE FIRST IT MITE BE STUCK IF OK THEN YOU HAVE BAD VALVE SEALS OR VALVE GUIDES OR BAD PISTON OIL RINGS BUT TRY PCV VALVE FIRST HOPE THIS HELPS

Nov 14, 2012 | 1994 Jeep Grand Cherokee

1 Answer

It starts up with blue smoke until it warms i replaced tghe valve seals


Hi Leakey,
Sounds as though you still have a problem with the valve stem oil seals. Did you inspect the valve guides for wear? With a vehicle that's been around since 87, the valves have moved up and down a fair number of times and I think maybe the guides have become a little worn. As the bluish smoking happens only after start up I don't believe I'd suspect the rings, but to carry out a quick check, you can ask a friend to get in the vehicle, start up and take the RPM to around 2500 for about 20 to 30 seconds. During those seconds stand at the back of the car, watching for oil burn, then take it to about 3000 RPM and do the same. If you see oil burn then the oil scraper rings have worn, if not concentrate on the cylinder head.
Cheers Johngee10

Mar 08, 2011 | 1987 Honda Accord

2 Answers

Vrg galant smoking on start up and loses power when revving in idle.


SMOKING BLUE YOU HAVE LOW COMPRESSION ENGINE BURNING OIL.YOU HAVE WORN VALVE GUIDES ALSO VALVE SEALS AND WORN PISTON RINGS.

Jan 16, 2011 | 2000 Mitsubishi Galant

1 Answer

My 1985 corvette smokes out the exaust only when at idle and engine at running temperature.


most likely worn valve guides and probably dry cracked and fallen off valve stem seals you may get lucky with just replacing valve stem seals but may need guides installed in heads

Aug 07, 2010 | 1985 Chevrolet Corvette

1 Answer

Excesive oil consumption on ford focus 3 liters of oil in under 500 miles


Smoking on overrun is generally (almost always) worn valve guides. But a car with worn valve guides @ low mileage is odd. You might try a little heavier weight oil and maybe a switch to mineral oil rather than synthetic just to see if you can change the behavior. Don't worry about mixing the types, that's OK.

There is a test for worn valve guides. Hooking up a vacuum gauge to an unmetered vacuum source (after the throttle body), the gauge will show an oscillation of about 4 inches of vacuum (at idle). 15 inches is considered normal so from an oscillation 12 to 17 would indicate worn guides.

Good luck on your mission.

Apr 09, 2009 | 2002 Ford SVT Focus

1 Answer

Engine smoke&sludge


Smoking & sludge ...OK, first, smoking on startup generally is the result of worn valve guides or valve stem seals. Excessive sludge in the engine can worsen this condition as sludge buildup can block oil from draining back to the pan, instead remaining inside the valve cover where it can run down the valve guides overnight.
If you just got the car and want to get rid of some sludge, change your oil every 2000 miles for a few months. Use a good quality oil and add a pint of marvel oil to it each time. On an engine with substantial sludge, I don't advise using any flush products. They work too fast and end up jamming residue into the oil screen, preventing proper oil flow to the pump. It took a long time for the sludge to form, don;t expect anything will remove it immediately short of a complete teardown & rebuild. If that's the only problem you have just follow what I said and you will be OK.
No coolant loss, overheat or anything? Did sludge suddenly appear or as I thought, it just built up over time?

Apr 02, 2009 | 2007 Nissan Altima 3.5 Sedan

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