Question about 1994 Mitsubishi Mighty Max

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Diesel 4wd smoking

Blowing a little oil out of exhaust and blowing smoke when accellerating hard,running ok

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Check to make sure the PCV Valve is working...when you remove it from valve cover and shake it...you should hear ball inside rattling, and even though it's running ok, you might need new piston oil rings and/or valve job. In the mean time you could try products for "stop oil burning", or change your oil to a heavier weight...if you're using 10w30/40 try 20w50 and see if that helps.

Posted on Aug 02, 2009

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1 Answer

Grey blue smoke from exhaust it goes after a few miles what is it


Blue'ish smoke is caused by burning oil. Sounds like you have hardened valve stem seals. When they get hard, they allow oil to seep into the cylinders while it sits over night. When you start the car it takes a little while to burn out the oil. In the early stages once you are running it will seal up OK, but as time goes by it will begin to seep even while you are running. Using full synthetic may help the smoke because the synthetic oil will not burn. You can also go 10,000 miles between changes. (Watch your oil level though since you will not be changing every 3000).

Hope this helps.

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Ssangyong musso. 2005 2.9 diesel. turbo. hard to


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Single cylinder yanmar diesel engine on log splitter back fires out of exhuast & blows out black smoke


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95 Courier with Mazda diesel is hard to start, runs rough, blows lots of blue smoke and won't go over 60kph in top gear


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2006 Town & Country burning oil excessively. 40,000 miles; burning 1 quart every 1000 miles; no signs of the oil anywhere


At 40K miles it shouldn't burn that much oil, unless the motor has been abused or overheated. With no signs of oil leaks, the engine must be burning it via the exhaust,

Change the oil (use a good quality oil) and then observe oil consumption.

If it still uses excessive oil check further as below:-
1) if it blows blue smoke on steady accelleration (pistons or ring wear),
or
2) only blows blue smoke on initial accelleration after a period of steady coasting or de-celleration (faulty valve stem oil seals).

Jan 22, 2010 | 2006 Chrysler Town & Country

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I have a 1998 chevy 2500 4x4 6.5 diesel pu.truck starts and seems to run normal ,maybe a little loud, i heard chevy diesels this year are louder than fords etc. blows a little white smoke at startup some...


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Have Mazda bravo B2600 4WD ,has white smoke & oil from exhaust. Running rough as if on 3 cylinder


You dont say weather its a petrol or diesel engine as there a slight differance in the answer and if a turbo on a diesel thats even more of a differance, but taking it a petrol .
Well to start with the white smoke Isent smoke its water and after going through the engine it turns into Steam and thats what you see..
Running on 3 clyinders is caused through 1 cylinder isent working as a engine should and has a bad valve or a broken piston ring or more and even a cracked head and gasket letting the water through,,,also the broken ring works like a oil pump as if not firing given you power then it works like a oil pump and pumps it into the cylinder that dosent work only pumping oil into the hot exhaust system while running.CAUSING SMOKE
And if a turbo then could be the turbo bearings worn and pushing oil into the engine and still doing the same as before.
Let me know how you get on. RON

Nov 17, 2009 | 2007 Mazda B Series

2 Answers

Smoke and oil smell at start up sometimes


I have a 1989 chevy silverado. my dad bought it new and never drove it. he wanted to pay it off first. after 5 years it had 15K miles on it. it then smoked everytime he cranked it after it had sit a while. The lack of driving it caused the rubber valve seals to dry rot. so now when it sits, oil seeps down between the valve and the seal and enters the piston chamber. when he cranks it, a poof of blue smoke blows out the exhaust but quickly disappears after the the initial poof of smoke.
this may be your problem also if you have abnormally low milage on the vehicle

Jun 29, 2009 | 2001 Ford Mustang

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