Question about 1995 Mitsubishi Diamante

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SMOKE! Lots of oil gone!

I have a 95 Mitsubishi Diamante. Everytime I take off it smokes from the muffler and the hood. If I idle for more than 10 seconds it goes up in smoke from the muffler and hood again. I have to put about a quart of oil in every two days or so. Its obviously burning oil but I dont know why.... Can you help me?
-Shannon

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  • bradmills Jul 23, 2008

    This is a common Diamante problem and is caused by the relief holes on top of the valves being too small and they clog up. Once this happens, the evaporated oil, vapors or smoke has no where to go and pours out the tailpipe.

    I'm not a mechanic and I may not have all of the facts right, but this is how I remember the service manager explaining it.

    You may or may not need an overhaul. It's probably cheaper to just add oil for now. You'd have to take the top half of the engine apart to clean out the "weep" holes I believe they called them.

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At just about any auto part store, you can buy a bottle of "stop leak". There are a few different brands. Make sure the one you get is for oil.(they make it for radiators and transmissions, etc also...) You just pour it in where your oil goes, and it will help plug up any areas that the oil is leaking from. If it still persists, then you could have a much more serious problem on your hands. (also make sure your oil is not already topped off, when you go to try and pour the stop leak bottle in there! it will over flow)

Note: Your car may continue to smoke for a while, until it has finished burning off any oil that had already leaked out.

Posted on Jun 27, 2008

  • Mike Wright Jun 27, 2008

    by the way, It sounds like your head gasket is blown... which is a pretty serious problem

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What do I do for that, or is it not even worth fixing???
-shannon

Posted on Jun 29, 2008

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My 2001 Mitsubishi Eclipse gt v6 has white smoke coming out the muffler and is still hesitates or sputters during the ride. Whats my problem


Usually happens when oil gets through the rings to the pistons. Might need engine rebuilt but fast and temporary solution is that smoke be gone stuff you can find in stores

Jul 19, 2015 | Mitsubishi Cars & Trucks

1 Answer

Motor is smoking in my '02 diamante, is it the gasket?


Smoke diagnostic is made by colour.
If u mean pistons head gasket,yes,it can smoke.
White (clear) water vapor.Ceck coolant level.Ceck engine oil colour by dipstick.

Black:runs rech on fuel (fuel filter/fuel lines/fuel mixture...)
Blue (whity):worn pistons rings.

Chears.
Tips:
Whity smoke before warming may be natural on cilli mornings with lot of compressure the engines just blows vapors.
Old oil/fuel residues in the exhaust tubing may blow smoke after heating the engine ,must track problem (...).
Black smoke on hitting the acceleration to the floor may be natural (overcharged) avoid sport driving style.

Sep 29, 2013 | 2002 Mitsubishi Diamante

1 Answer

2005 3.5l some times smokes oil then stops


Smoke oil? For what your thinking that is oil? Smoke coming from the tailpipe is not good news, but does not necessarily mean the engine needs rebuilding. First, you need to determine what color of smoke is coming from the tailpipe
* White smoke is caused by water and or antifreeze entering the cylinder, and the engine trying to burn it with the fuel. The white smoke is steam. There are special gaskets (head gaskets are the primary gaskets) that keep the antifreeze from entering the cylinder area.
* 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.
* Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Another term for excess fuel is "running rich." Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm.


If you confirm us that is oil smoke, check and keep in mind that the car has many seals, gaskets, and O-rings that are designed to keep the engine oil from entering the cylinder, and one of them has failed. If too much oil leaks into the cylinder and fouls the spark plug, it will cause a misfire (engine miss) in that cylinder, and the spark plug will have to be replaced or cleaned of the oil. Using thicker weight engine oil or an oil additive designed to reduce oil leaks might help reduce the amount of oil leaking into the cylinder.

Keep us updated.

Apr 15, 2011 | 2005 Mitsubishi Diamante

1 Answer

Lots of smoke when idle


White smoke = Coolant entering the combustion chamber. Normally caused by a blown head gasket or cracked head.
Blue smoke = Oil burning. Normally caused by worn piston rings.
Black smoke = An overly rich fuel/air mixture.

Nov 20, 2010 | Hyundai Accent Cars & Trucks

1 Answer

1991 dimante is smooking from the exhaust I have changed the oil.


If it's white smoke you have a crack in the block or a blown head gasget. If it's bluish smoke you have worn or broken piston ring(s). If it only smokes for a short time after it has been sitting for hours or longer it's bad valve seals.

Mar 27, 2010 | 2000 Mitsubishi Diamante

2 Answers

Black smoke, using alot of petrol, no loss of power, funny smell


MASS AIRFLOW SENSOR THERE ABOUT £6O WHEN THEY PLAY UP THE CAR WONT IDLE PROPERLY AND POOR RUNNING/HESITATES BEFORE IT PICKS UP AGAIN, NOT SURE ON THE BLACK SMOKE THOUGH, GOOD LUCK .

Oct 05, 2008 | 2001 Volkswagen Golf

1 Answer

Misses and lots of white smoke on start up when sitting for 10-12 hours. New glow plugs and injectors. 141000kms. Non return fuel valve fitted between filter assembly and injector pump. Cheers stu.


first question is it smoke or steam ? if if ligers in the air behind you as you drive with little dissipation or if its steam it will dissapear more quickly . either way , head gasket is first . once saw a car do that excessive engine oil put in by owner . giant flumes of white smoke . if you ever want a true smoke scren to get away then adding about 2 to 4 quarts of oil extra . man it is something to see

Aug 01, 2008 | Mitsubishi Pickup Cars & Trucks

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