Question about 2007 Chevrolet Avalanche LTZ

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Upon starting avalanche blue, white smoke comes out of tail pipe. using oil bad only 37,000 miles.

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Take that truck into the dealer and have them repair it under the powertrain warranty. 2007 offered a 5 year/100,000 mile warranty.

The smoke on startup is the result of oil getting past the valves.

Posted on Oct 05, 2009

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The truck should still be under warranty. I would be taking it to the GM dealership and getting it checked out. Unless you beat the heck out of the truck and are negligent to maintaining the truck, then this one should be covered by GM.

Posted on Oct 05, 2009

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1 Answer

What would make a 2000 oldsmobile intrigue smoke from tail pipe and knock when accelerating?


you white or blue smoke white is not as bad as blue white is water and oil mixture blue oil rings knocking is connecting rods bearing or valves

Sep 22, 2012 | Cars & Trucks

1 Answer

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).

Apr 12, 2012 | Cars & Trucks

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My smoke comes through my pipe


Well, it's the type of smoke that really matters. Does it smoke black? Blue? White? White for the first ~2 miles/5 minutes of warm up is not a bad thing, just blowing out condensation. White smoke that never stops is a sign your head is warped/head gasket is busted. Blue smoke is a sign that you're burning oil bad. Black smoke indicates an overly rich fuel condition.

Dec 18, 2010 | 1993 Acura Legend

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White smoke occasionally coming out of my Altima tail pipes.


If there is no loss of Coolant, which is a sign of Head gasket failure to the combustion area, which generates white smoke, I would recommend after 4000 miles of your mileage alone, a complete Service of Engine Oil and filter, AIR filter and Fuel filter.
An inexpensive way to find a recurring combustion problem, At 60k miles, the Spark plugs should still be good, but pull them anyway, just to confirm.
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May 10, 2010 | 2002 Nissan Altima

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My car started smelling funny...pulled over lifted hood and it was steaming...white smoke came from under hood and tail pipe, car would not start again. Some say it may be a head gasket? How would I know?


You can tell by looking at dip stick if the oil has a creamy white substance there is antifreeze getting in oil (blown head gasket) or if ther is excessive white smoke coming from exhaust pipe upon acceleration. steam from under hood may be a coolant leak from a rubber hose or it may be leaking from the cylinder head onto the exhaust manifold also the car will be using up antifreeze.

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2002 F550 7.3L DIESEL TRUCK BURNING 1-2QTS OIL EVERY 1000 MILES AND WHITE SMOKE COMING OUT OF THE TAIL PIPE. WHAT MIGHT BE WRONG?


the white smoke indicates that your getting oil in with the diesel and the oil is burning you might have a bad seal

Dec 17, 2009 | 2002 Ford Super Duty F 450

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Constant smoke from tail pipe.


If its smoking that bad you should be able to tell if its oil or antifreeze by the smell, stand behind the car as its running, if its white and you smell a sweet smell its antifreeze if its blue and smells like a oil refinery its oil.

Nov 17, 2009 | 2001 Dodge Intrepid

1 Answer

Upon starting the 1995 Camry the engine dies. There is also grey smoke coming from the tail pipe. Checked the oil and there is no water in it.


Is it gray, bluish gray, or white? White smoke, during warm weather, indicates that you have a head gasket out and it's vaporizing water, it will look much like it does when you first start it on a cold day. Bluish gray indicates burning oil, which could be bad valve seating, severe engine wear on your piston rings and oil is blowing past them into the combustion chamber. Grey smoke is probably water as well, though it could be contaminated with oil, or the vehicle could be running too rich, getting too much gasoline. But typically this is more of a black smoke than gray.

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3 Answers

Puffs blue smoke


Blue smoke is caused by engine oil entering the cylinder area and being burned along with the fuel air mixture. As with the white smoke, just a small drop of oil leaking into the cylinder can produce blue smoke out the tailpipe. Blue smoke is more likely in older or higher mileage vehicles than newer cars with fewer miles.

This could mean a cracked head or bad gasket....It costly

Dec 08, 2008 | 1997 Suzuki Sidekick

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