Question about 2004 Volvo XC90

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All of a sudden i had oil spraying out of the exhaust and whittish smoke as well what could be the cause?

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Blown head gasket
Motor will have to come apart

Posted on May 05, 2010

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Why is my 2000 kia sephia blowing blue smoke from the tailpipe. it has 86,000 miles. the check oil warning light is on even though the dipstick reads full.


The most common cause of blue exhaust smoke is oil leaking past engine seals and into the cylinders where it then mixes and burns with the fuel. This is most frequently seen in older or high mileage cars with worn seals and gaskets. It only requires a very small amount of oil leaking into the cylinders to cause excessive blue exhaust smoke.

Blue exhaust smoke only at start-up can indicate worn piston seals or damaged or worn valve guides which may also cause a rattling noise. An external engine oil leak can drip onto hot engine and exhaust parts causing what appears to be blue exhaust smoke. Other possible causes of blue exhaust smoke include: piston wear, worn valve seals, a dirty or non-functioning PCV valve, worn piston rings, an intake manifold gasket leak, worn engine oil seals and possibly even head gasket failure.

Oil leaking into the cylinders can cause a rough idle, misfire and fouled spark plugs. In addition, a reduction in power and oil loss can be indicators that the blue exhaust smoke is caused by an internal engine oil leak. Internal engine oil leaks can also allow fuel to mix with the oil in the crankcase which will degrade the oil and prevent it from adequately protecting the engine.

Operating a car with a severely dirty oil filter, air filter or improperly functioning PCV valve can also sometimes result in engine oil blow-by, oil loss and blue exhaust smoke. Periodically checking the engine oil level with the oil dip stick will indicate if there is excessive oil consumption. Higher viscosity engine oil can sometimes temporarily reduce the amount of blow-by; however, this is not generally recommended. Excessive blue exhaust smoke indicates a possible internal engine oil leak that should be inspected by an ASE certified mechanic.

Dec 08, 2014 | 2000 Kia Sephia

1 Answer

95 camaro oil leak causing smoke


You need to determine if it is your oil pan, oil sender switch, oil filter, etc. dripping oil onto your exhaust causing the smoke, or if it is coming out of the exhaust itself. If it is dripping onto the exhaust, deal with sealing the affected area. (new oil pan gasket, sender switch, etc.) If coming out of the exhaust, indicated worn piston rings or valve seals.

Jul 30, 2014 | Cars & Trucks

1 Answer

White Smoke when i put gas in car


The most common cause of blue (or worse still) being expelled through the exhaust system is extreme wear in the engine, or, if you're extremely fortunate a significant OVERFILL of the engine oil level. One other possible, though unlikely cause, is a fault in the engine's scavenging system.
Has this problem occurred suddenly without warning? Had the car been serviced immediately before this event, or the engine oil topped up?

Jun 06, 2012 | BMW 525i Cars & Trucks

1 Answer

ENGINE CONSUMING MORE ENGINE OIL


There are two main causes for this, especially given your limo's age:
- a leak, and you would notice little puddles of oil underneath the car
- worn piston rings - this will cause blue smoke from the exhaust, especially after idling for a few minutes
Have someone watch at the back, when the engine is hot, and after idling steadily for a few minutes, rev up suddenly to 2000-3000 RPM.
If you get a big cloud of blue smoke, the engine is worn.

Apr 19, 2012 | Cars & Trucks

1 Answer

Car has about 90,000 miles on it and all of a sudden it has begun using oil at the rate of 1 qt per 250 miles. No oil in the water, no exhaust smoke and runs smooth with power,.


go to an exhaust shop and have a smog test performed in which the hydrocarbon emissions of your vehicle will be measued. It's got to be going somewhere right. Excess oil or a vehicle running too rich will cause O2 sensors to foul out and catalytic converter the ceramic catalyst insert to break down over time which would cause further problems

Apr 28, 2011 | 1996 Ford Explorer

3 Answers

What are the possible causes of smoking from the exhaust? My car is a Toyota AE 11O, year 2000


what colour smoke ?? blue smoke is oil ,worn rings or valve guides ,or oil seeping into cylinder where oil passes through head gasket to lubricate cam ,white smoke is water ,head gasket ? black smoke is excess fuel

Sep 03, 2010 | 1988 Toyota Corolla 4 Door

1 Answer

White smoke from exaust


Hi,
When white smoke is spewing from your exhaust, it is usually an indication that something is burning. The typical culprit is a burning fluid from the vehicle, but other causes are possible.

Oil, transmission fluid and antifreeze are the three fluids most likely to be the cause of white smoke coming from your exhaust. Ruptured seals, leaky bolts and blown gaskets can expose oil to hot spots, making it burn. Pinholes or loose lines can cause antifreeze to spray on the engine, while transmission fluid can be sucked into the engine and burn


Here is a form of solution or prevention which can help you out;
Keep your fluids at the appropriate level and change them at the recommended intervals to reduce leaks and maintenance issues. Use the proper types of fluids as well. The wrong transmission fluid can cause your gears to stick and wear down, while the wrong oil can reduce lubrication on the engine and cause internal damage. Improper mixture or wrong type of antifreeze can cause overheating.


Good luck.

Aug 03, 2010 | 1990 Nissan Maxima

3 Answers

Burning smell and smoke coming from hood


you may have an oil leak and the oil is burning off of the hot exhaust or engine youll have to open the hood in order to decipher where the oil is coming from. or if its even oil it could be transmission fluid coolant a number of things youll have to see if you can tell exactly what it is thats leaking but my best guess is its probably oil.if it is oil its more than likely coming from the valve cover. id check there first.

May 21, 2010 | 1997 Jeep Grand Cherokee

1 Answer

My jeep is smoking under the hood and seems to be oil all over the engine.


check valve gaskets possible dripping onto exhaust manifold causing smoke or check transmission lines radiator back fan may **** it up and also spray manifold --power steering same thing first need to find what fluid is leaking --reddish tranny/power steering--brown/black[needs changing]engine oil---neon green anti-freeze good luck

Jan 22, 2010 | 1999 Jeep Cherokee

2 Answers

Transmission issue. I was going up a hill (IN WV)... and my engine started to smoke. When i pulled over and examined my car it was pissing transmission fluid. ..it was more so near the front of the engine...


In your comments you say front of engine then you say coming from between the engine and transmission. By your description of your engine starting to smoke it sounds like a sudden rather large leak that sprayed or splatter on your exhaust system where it immediately would cause a smoking condition, really only two places a transmission would have enough fluid pressure during a leak to send enough fluid in a short time to cause your experience, check for a Transmission Oil Cooler Hose and or your first thought a Blown Torque Converter Seal. Torque Converter seals usaully start with a slow leak at advance towards a larger leak over time but I have seen where a entire seal has become unseated thus causing a sudden and high volume leak. Check Transcooler lines and TC seal... Hope ths helps

To verify your issue the vehicle should be raised safely on an auto lift or a on recommended weight rated jack stands to preform a visual inspection for your leak.

Aug 17, 2009 | 1997 Mercury Sable

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