2004 Nissan Altima Logo
Posted on May 15, 2010
Answered by a Fixya Expert

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CAR BLOWING BLUE SMOKE OUT TAIL PIPE - 2004 Nissan Altima

2 Answers

Anonymous

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  • Master 580 Answers
  • Posted on May 15, 2010
Anonymous
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Joined: Sep 05, 2009
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This is caused either by high mileage &/or failing oil piston rings. You could also need new valve seals. Do a compression test to determine if it's just valve seals. If the compression is consistent @ about 130-150psi just have new valve seals installed. If less & uneven rebuild the engine. Good luck!

A

Anonymous

Oil consumption.

Bad rings,valve guides

  • Anonymous May 15, 2010

    I would do a cylinder leakdown test,even if you do compression, as eric,suggests. That way you separate rings, as well as intake from exhaust valves.

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2 Related Answers

Anonymous

  • 1129 Answers
  • Posted on Jul 02, 2009

SOURCE: smoke comes out of tail pipe when car is

If the smoke is black it is a rich fuel feed condition, if the smoke is a blueish color the valve stem seals must be replaced.

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Anonymous

  • 312 Answers
  • Posted on May 15, 2010

SOURCE: CAR BLOWING BLUE SMOKE

Blue smoke indicates burning oil. So you oil getting into your cylinders somehow. Could be broken oil ring on one piston. If you have a lot of miles on your car or it has been overheated your engine may need an overhaul.

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Valve guide seals

Are you saying you have smoke coming out of the tail pipe ? Or is something dripping onto the exhaust pipe and burning ?
If the smoke is coming out of the tail pipe, is it blue, white, or black ?
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CAR BLOWING BLUE SMOKE FROM TAIL PIPE

Blue smoke indicates burning oil. So you oil getting into your cylinders somehow. Could be broken oil ring on one piston. If you have a lot of miles on your car or it has been overheated your engine may need an overhaul.
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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.
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