Question about 2000 Mitsubishi Eclipse

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Smoke coming from exhaust. Wouldn't pass inspection. Suspect valve stem seals.

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IS IT SMOKING AT IDLE OR WHEN PRESSING GAS PEDAL? NEED MORE INFO.. IF ITS AT IDLE IT YOU PISTON RINGS.. IF ITS ONLY WHEN MORNING STARTS ITS YOUR VALVE STEMS...

Posted on Sep 13, 2010

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2 Answers

Blue smoke coming out of the exhaust


start car when engine cold - place some paper in front of exhaust pipe.
If you see dots of oil you have a major engine failure with the lower block of your engine or the rings. This costs a lot of money to fix !
I sent my car to wreckers to be crushed when I had smoke and burning oil smell plus oil when it was cold.

If it is water when engine when engine cold you may have a cracked engine head , cracked head or blown head gasket.
Less expensive to fix but may require head to be re machined if head is warped. If head is cracked then head will need welding.
A cylinder compression test will confirm this type of head problem.

Jan 24, 2016 | 2000 Mazda MPV

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Blue smoke out of exhaust


#1 suspect is the oil seals in the turbo, especially if you use a gause/oil air filter instead of the factory one (known as a "dusted" turbo).

Oct 11, 2014 | 2008 Ford F-350

1 Answer

Car wouldn't start, but when it did it was smoking


One thing used many mechanics for diagnosis is: What color was the smoke?
White smoke usually means the engine is failing, and can indicate a leaking head gasklet, a cracked block, or a cracked head. This color smoke is from water and/or coolant getting into the cylinders.
Black smoke indicated too much fuel, and the engine may be "flooded", indicating a less expensidve fix.
Grey smoke indicates oil smoke from worn rings or worn valve stem seals.
The white smoke says you should have someone look at this really quickly to see if immediate attention is needed.
Be blessed

Jan 28, 2013 | Cars & Trucks

1 Answer

My Ford Focus 2l tdci is smoking heavily by times. The car is for the past week in the workshop and no smoking occurred.How come blue smoke is pouring out of the exhaust only sometimes - then it is g


Hi Gert, If the smoke is more visible during the period after start up in the mornings, I would suspect the valve stem oil seals have become hardened and defective. The oil seeps in slowly passing the seals from the cylinder head. Sounds as though you need a head job. Regards John

Apr 29, 2012 | 2005 Ford Focus 2.0

1 Answer

Smoke comeing from exsost


You have a blown headgasket, cracked cylinder head, cracked block only if the color of the smoke is a constant white...requires extensive tests compression etc.
if uits blue in color you have oil passing the rings and out the exhaust valeves on the exhaust stroke, possible collapsed oil rings or valve guide stem seals and knerling ...requirements machinist work.
Momentary cold start white smoke can be normal residual condensation that clears rapidly after start up, blue intial smoke on only the start up after sitting for hours is signs of valve guide wear to be done by a machine shop.

Aug 26, 2010 | 1994 Mercury Grand Marquis

1 Answer

I have lots of white smoke coming from tail pipe when starting


White smoke is either steam or coolant. Oil smoke is blue, fuel is black. The smoke is water or coolant boiling and then coming out the exhaust as vapor.

If the weather is cold, water will condense in the exhaust system after shutdown, then come out as steam on startup. This is OK. If you see the smoke after driving on the highway for an hour or it is an all-the-time event, you have a problem.

If you have a problem, most likely, at this age, it is a leaking head gasket. Possibly the cylinder head is cracked. Valve problems are possible but less likely. Keep track of how much coolant you add to keep it at the full mark. Obviously, this is expensive to fix.

The problem was bad/worn valve stem seals which allowed oil to seep into the cylinder heads when the engine wasn't running and burn off when the engine was started creating the white smoke. If it is valve stem seals, they are not too expensive to replace however I would suspect your mechanic will want to do a complete valve job which is a little more costly.

Hope thos help (remember comment and rated this).

May 10, 2010 | 1990 Lexus LS 400

1 Answer

Execessive smoke with startup visual inspection oil in exhaust


Blue smoke? how does the car run? blue smoke out of the exhaust would indicate a problem either with valve stem seals, worn piston rings...

toyotas are known for that, and if it has alot of miles then its normal

Apr 04, 2010 | 2000 Toyota Corolla

2 Answers

Blue smoke from exhaust


Most likely the engine is worn to the point that it is using too much oil. Will not pass inspection. No real fix, unless it is valve stem seals.

Mar 12, 2010 | 1999 Toyota Avalon

2 Answers

Smoke from the exhaust when starting


I would think this is valve stem seals that are letting a little bit of oil down on top of the piston and when you go to start the car you get a bit of oil smoke when you start the car

Nov 30, 2008 | 1995 Jaguar XJ6

2 Answers

1993 TOYOTA TERCEL 1500cc Valve Seals Replaced now smokes much worse


You either have had the wrong valve seals installed, they are physically missing, or the valves are incorrect (too loose in the guides/stem too thin). The rocker arm seals will not contribute to your issue. If it did not have the oil smoke before you took the head off, the issue is with whatever the machine shop did. Valve seals have to fit TIGHT, or oil will go down the valve stem into the intake.
Take the head back to the machine shop & tell them to fix it. For free.

Aug 23, 2008 | 1993 Toyota Tercel

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