Question about 2000 Cadillac Catera

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The car hasent been driven in 3 months,now when you drive it and come to a stop once you excelerate a cloud of bluish white smoke comes out of the exhaust,what can be causing this?

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Valve sticking or a Ring has gone bad are the most likely causes. Try running a quart of GUNK engine cleaner and changing the oil, make sure you follow the directions or you will seriously damage your engine, or as an alternative you can try using a quart of Transmission fluid in the oil, warm the engine up and then change the oil and filter to clean your lifters and valves and build up.

Posted on Mar 21, 2011

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Thats oil caused by "blow by" it means your piston rings are wearing out or you have scratches in the cylinder walls, causing oil to "blow by" the rings and burn during spark. Only way to permanantly fix is to rebuild. You may get temp fix by using a product called restore. It is sold at autoparts stores.

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White smoke means water is getting into the engine from teh coolant system. Likely that your engine cylinder head has a crack, or head gasket is bad

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White smoke coming out of tail pipe.


WHITE smoke? Or BLUE smoke? White smoke is usually caused by burning antifreeze (possible blown head gasket). Engine oil burning causes a bluish colored smoke.

Changing the oil two months ago means absolutely nothing to me. I have customers that travel 6000 miles or more in a month. Oil consumption is measured in volume over miles, not volume over months. It is normal for most 4 cylinder engines to use a little less than 1/2 quart in 1000 miles (even more than that for 6 cylinder and 8 cylinder engines).

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Whenever I start the car it smokes than after warming up it stops smoking.


The key is how much smoke? Does the smoke have a smell to it. Are you consuming any fluids, like coolant, or oil?

Tons White smoke that is sweet smelling is usually coolant getting into the combustion chamber.

Less white smoke, especially if other cars are doing it, is normal. For every gallon of gas that you burn, you generate a gallon (GALLON) of water. so this water usually evaporates, but sometimes not. It has little or no smell.

If the smoke is bluish white, that is oil, but usually your converter would fill with oil, and cause error codes, or loss of power. This smell is distinct, but not necessarily sweet.... After the converter heats up, it may be able to burn off the oil and the smoke stops.

What are you consuming, fluid wise, will direct where you go next.

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My Polo tdi is emitting a continuos cloud of white smoke, it is almost like a white cload and fairly odourless, and the cars performance does not seem to be affected. To date we have spent thousand's...


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My 99 volvo xc is blowing thick white, bluish


This is not good. White smoke is usually coolant, but the deposits on the plugs indicates oil related issue. Major exploritory surgery is in your future.

Start with a leak down test, and based on the results of that, your next step will be more clear.

Sorry for the bad news, but you already knew that, with the smoke report.

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Blueish white smoke comeing from exhaust


Hello There

White smoke when first started is normal. If white smoke continues you have an internal coolant leak, i.e., cracked head/blown head gasket.
Black smoke is caused by a rich fuel condition.
Blue smoke is caused by oil consumption.

You need to check your oil cap for yellow/white gunk on the cap if you have this then this is a sign your head gasket is cracked. Check to see if your radiator coolant level is down this is also another sign.

Hope this helps. Please don't forget to rate me.

Many Thanks

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1993 GMC SAFARI WHITE CLOUD OF SMOKE COMING FROM THE TAIL PIPE


usually when your exhaust shoots out white or grayish white smoke your head gasket is out. its not a hard or very expensive fix.

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most likely the turbo, if its a darker or bluish smoke.

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