Question about 1996 Cadillac DeVille

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What does it mean when my dash says stop engine.. overheated.. and it was saying change oil.. and white smoke blows out tailpipies sometimes.. i just bought a thermostat and new coolant. its getting done now.. and tomorrow oil change. any suggestions?

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Hello: From your description it sounds like you may have a blown head gasket. Find out if you have a repair shop that has the tool to check the coolant for exhaust gas in the cooling system

Posted on Oct 17, 2010

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When drivnid with oil in my car white smoke comes from my exhaust, when the smoke stop the oil light flashes on the dash


Usually white smoke means the engine is burning oil and-or coolant thru the cylinders.
Could be a blown head gasket or other engine damage.

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I havea daewoo nubira and we replaced the valve cover gasket yesterday , did an oik change and now the engine is smoking white smoke. Try to check to hoses, could not see a leak. Where is the cylinder...


Hello and welcome to FixYa!

The cylinder head is located on the center of the engine. Yes it can be a worn out head gasket or piston rings. If the piston rings are worn out the oil is burnt that's why it emits white smoke. You will need to replace the head gasket and piston rings.

Hope this helps and thank you for using FixYa! Have a good one!

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Hi, My Sidekick starts to "putter" as i drive like it's not getting enough fuel. Then when I accelerate it blows large amounts of white smoke out the exhaust. It did this once before last summer...


White smoke always means that oil is getting into the cylinder. This will make the car sputter. You have to find out why the oil is getting in there. It needs to go to a mechanic because it could be any number of reasons why the oil is getting in.

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White smoke blowing out of exhaust?


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White cloud of smoke through tailpipe


well I'd say that coolant is definitely leaking into the combustion chamber, albeit at a slow rate (for now). It could be anything from a blown head gasket to a cracked block or head. I'd get it to a shop as soon as possible and not drive it any more than need be until that point.

Oct 06, 2009 | 2000 Cadillac DeVille

1 Answer

Engine light comes on and says engine overheating


Could be three things: Hopefully the first...
1. radiator fan not blowing. (most likely)
2. Radiator clogged (not likely)
3. Head gasket blown... (very possible)

If #1, system cannot detect fan not blowing. It may be the fuse or the relay switch, disconnecetd wire at fan, or burned-out fan motor.
If #2, Flush radiator
If #3, you will see WHITE smoke out the tailpipe and excessive water drops.
Your new oil will have a "milky" look (check the oil dipstick). That is water.
When engine is COLD, remove radiator cap and start car. You will notice high-pressure "bubbles" squirt out of the radiator, even before the engine warms up.

I hope it is #1. and that this is helpful.



Sep 08, 2009 | 2006 Chevrolet Impala

1 Answer

2004 Excursion 6.0 diesel blows intermitent white smoke


I don't drive a Ford but I drive an International and white smoke on start up means the engine is too cold to properly burn the fuel. Your black oil or soot is unburnt fuel. You should look at your engine's preheat system for a malfunction.

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