Question about 2001 Volvo S40

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Trowing oil out thru exhaust

Replaced turbo that was bad now the oil light comes on while driving and smokes throwing oil thru the exhaust

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Think you may have blown your head gasket ( turbo pushing too much boost)

Posted on Jun 17, 2009

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It shut off while driving, no warning, no beep no light it just shut down and won't start. I took the air intake hoses off and found oil in there...is this a turbo problem and can it be rebuilt?


Turbo wont cause it not to start. Oil in induction hoses is normal at higher mileage and does not mean needs a turbo again. If turbo sprayed out oil whilst driving you would know about it....masses of smoke from exhaust and unconrtollable engine rpm. Sounds more like a failed CPS (crank sensor) or electrical issue.

Nov 16, 2013 | 2006 Volkswagen New Beetle

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How to recognize if my turbo is causing blue smoke from the exhaust vs a blown head gasket. I don't have anti freeze mixed with my oil but it smoke coming out the exhaust when the car is running. ...


It's very simply to find out if the turbocharger is causing blue smoke from the exhaust vs a blown head gasket. So, remove the turbocharger's compressor inlet centre hose (from the aluminium side of the turbo). Then see if there's in plenty of oil coming out from the hose and from the turbo. I'm 100% convinced that the turbocharger is damaged in your case. You can remove also the exhaust pipe out from the turbocharger, and see if there's a lot of oil coming out.
Repair or replace bad turbocharger with a new one (or with a second hand in good condition one). Good Luck!

Sep 27, 2011 | 2002 Volkswagen Jetta TDI

1 Answer

Oil from turbo mixes with air resulting in huge volume of black smoke. Likewise, oil from turbo seeps thru connection between aluminum pipe connecting turbo and rubber pipe with nylon coating connected...


Your turbo has provisions for oil to cool bearings and the seals have blown out, although from my experience the result is white smoke if it is pumped into the hot exhaust. The reason it goes is usually a combination of things-high boost at cold temperatures, thicker oil under start up conditions or running oil that is a higher viscosity than recommended. Your crankcase pressures, the condition of the PCV and subsequent systems also contribute to this problem

The return path from the turbo is sometimes the issue and has to be clear, and I think the turbo seals could be bad, but black smoke is usually associated with excessive fuel.. You will also get alot of smoke when the oil return is slow to return the oil to the sump and it backs up into the turbo. It forces it's way out of the seals making it smoke.

Mar 24, 2011 | Hyundai Tucson Cars & Trucks

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Black smoke under acceleration that comes and goes. Have changed mass air flow sensor and did not help. Model is 2005 six speed turbo diesel


Black smoke indicates you are running rich. You may have to address the fuel injectors to make sure one is not stuck open. After replacing the MAF censor this would be my next step. Also your turbo seal might be leaking causing your truck to run rich throwing off the o2 censor. Also you can get black smoke from turbo blowby. Not burning oil but actual oil passing the rear turbine seal and getting into the exhaust. This should give you a few good places to check out. Good luck to you.

Mar 05, 2011 | Ford Transit Connect Cars & Trucks

1 Answer

F350 truck - loss of power feels like not all cylinders are on the go and **** load of black smoke blowing out of exhaust. HELP PLEASE


suspect a bad turbo, alot of black smoke comes out exhaust,suggest you check for oil loss on dip stick, also check for bad oil cooler. but most likely a bad turbo,when the turbo goes bad the turbo door shuts and the engine sucks oil up,and the engine runs on the oil and fuel, but the oil cooler could be bad also.if you're loosing oil out the **ss then i suspect a bad turbo. simple,,, check your oil level after running the engine for a short distance. if the oil levels low, then your engines burning it. bad turbo. either thats it,or you've got bad piston rings. if the piston rings are bad, the engine will have to be rebuilt,or the engine rings will have to be replaced. but don't panic, the turbo is most likely you're issue. thank you for choosing fixya.com. i do however that you check with everyone,then put together a plan that saves you money in the longrun! that's what i would do myself. thank you for choosing fixya.com!!

Feb 20, 2011 | 2003 Ford F350 Super Duty DRW SuperCab

1 Answer

Turbo leaking oil


turbo oil seals will cause a lot of smoking .

Apr 02, 2009 | 2003 BMW 330

1 Answer

Engine blowing thick smoke from exhaust


It's likely that the bad bearings and resultant oil seepage from the bad turbo caused oil to pool up in the intercooler piping (this is common). With a new turbo in there, you won't have further oil seepage, so the remainder of the oil in the piping should burn off. Over the next little while, you should see the amount of smoke coming out continue to diminish. If it does not, and is still smoking in a week or two, post back up on here and we'll take it from there.

Oct 16, 2008 | 2001 Volkswagen Passat

5 Answers

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

Jul 17, 2008 | 1999 Volkswagen Passat

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