Question about 1994 Mitsubishi Expo

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94 expo burns oil

I have a 94 mitsubishi expo awd with a 4g64 sohc engine. Bought used, since the beginning it has burned oil, tired of adding to it. is it the rings or valve guides? If I tear the engine apart I only want to do it once. There are no puddles of oil under the car so it is burning it in some way, there is no noticeable cloud of smoke, but the exhaust smells. Also the check engine light is on, I suspect because oil has passed the rings and fouled the o2 sensor and or the cat, I will deal with that later, but Now want to focus on the oil burning

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SOURCE: service engine light on 2002 mitsubishi lancer

THANXXXXXXXXXXXXXXXXXXXXXX LANCER

Posted on Oct 22, 2008


DAD5bbbbg
  • 111 Answers

SOURCE: 1998 leganza motor smokes when it warms up

If the smoke is white, or steam it is water. you might have cracked the head or warped it. Did you get it looked at before you put the new gasket on? If the smoke is black then it is oil. Do a compression check and see if you don't have a bad cylinder. They should all be about the same give or take 5 lbs.

Posted on Feb 28, 2009

  • 35 Answers

SOURCE: burning oil smell 03 montero sport

It's most likely the rear cam seals (o-rings) which is a pretty simply DIY, especially on the 3.5L model. The o-ring is only about $5.00 from the dealer (each, you need one for each side).

Posted on Jun 20, 2009

  • 2973 Answers

SOURCE: White smoke and the smell

Bradley,
You have stated two problems. Coming to second first. Smell of burning rubber. in the car rubber is only at two places where it can burn, The tyres, unlikely as you have not commented upon your driving habits. Some people like to rev the engine so much before take off that the tyres go burning for the first few hundred meters. And then there is rubber on the wires and cables. You have to check the wires for any heat while the engine is running.
Coming to the first now. White smoke is generally of unburnt fiel and not oil. Oil alwayd give black smoke and that is the indication you get when the exhaust is giving black smoke. That means that the engine is consuming oil. if it is white then that indicates that the engine is cold and burning more gas/diesel. Is your a diesel vehicle?? But as you say it from under the hood. And that too behind the engine block. May be that the gasket is leaking from somewhere. If you could check the engine oil level for a few days early in the morning before starting the engine. If the level drops and the exhaust tail pipe does not blacken your finger when you rub it in it would mean that the oil is being burnt. Now what I suggest is that with the engine running and hand brakes on, go under the car with hood open and try to locate the source of the smoke. I am sure you would be able to locate it.
Then we talk again.

Posted on Dec 23, 2009

  • 74 Answers

SOURCE: My mitsubishi 98 montero sport is burning oil and

you need to install valve seals also have all your front seals and cam bore seals checked

Posted on Jan 06, 2010

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http://www.scribd.com/doc/4570538/Mitsubishi-4G63-4G64-Engine

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