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Daewoo matiz 200 se replace complete bearings rings gaskets and the head is been overhaulled valve stem seals and compression test done start up plenty of smoke coming out of exhaust as the car getting hotter it becomes more grey blue smoke what can i look for to fix the problem 184000 km on clock

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Have the fault codes read to determine if any sensors are out of parameters from the engine rebuild. If you did not get a rebore and you used existing pistons the smoke may be from excessive ring clearance and worn ring grooves in the pistons . I am not a believer in wearing in as all wear only gets worse (not better) but in this case may be some normal use will allow the rings to reseal in the worn ring grooves over time

Posted on Feb 15, 2014

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Posted on Jan 02, 2017

  • 6 Answers

SOURCE: still smokes after general overhaul

make sure the pcv vavlve has been changed if not try that

Posted on Jul 29, 2008

  • 10 Answers

SOURCE: i have a daewoo lanos 1349cc se i have put new

Check your key immobilizer, i had a similar problem with my Lanos.
If you turn the key and your red light keeps flashing in the centre console your imobilizer is not turning off.

Posted on Nov 23, 2009

  • 1 Answer

SOURCE: newly overhauled toyota corolla 2e engine emits black smoke

I have toyota corona 3s engine it smokes black and fuel consuption is high we have changed the engine oil and cylinderhead gassecate but still black smoke is comming what should i do

Posted on Mar 29, 2010

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My 2011 Kia Cerato "S" has been using a lot of oil. The cylinder head was re-conditioned and engine serviced. The now engine blows smoke every time on starting. What is the probable cause ?


depends on how the head was reconditioned
were new valve guides installed along with new valves
were the stem seals correctly fitted
was a compression test done to determine the wear condition of the engine
smoke on start up is oil in the combustion chamber from valve stem seals , worn rings , sump pressure from excessive blow by through the line to the air inlet
check for oil leaks ( filter etc ) but using a lot of oil indicates ring problem, excessive bearing clearance overloading the oil control ring
try using a heavier grade of oil 30w 50 or oil for worn motors

Dec 04, 2016 | Kia Cars & Trucks

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

1 Answer

Isuzu Axiom 2002 will start relasing smoke after a 10 minute drive, and transmission light will flash on?


have a compression test done to test for ring condition. Have an oil pressure test done using a mechanical gauge to check for bearing condition.. If the smoke appears after idling ( waiting at lights ) then it will be worn valve guides and failed valve stem seals

Dec 26, 2013 | 2002 Isuzu Axiom

1 Answer

Taking off the head off is there a diegram or pic i can use


Blue smoke is oil being burned in the cylinders. It could be valves not seating properly, valve stem seals bad, possibly a head gasket if it blew where an oil passage may let oil in cylinders, or badly worn piston rings.
If you can afford it, have a shop do a leak-down test of each cylinder to pinpoint the problem. Then you may know if you need a new head gasket, or a valve problem fixed when head is off, or new valve stem seals replaced, or if rings are bad requiring engine overhaul.

Jan 22, 2013 | 1995 GMC Safari

1 Answer

My 2004 ford freestar with the 3.9L has been fouling out plugs with some consistency. they look to be oil fouled did compression test and they 1)195 2)200 3)200 4)205 5)200 6)205. any ideas od why they...


You need to have the rings replaced. Do the compression check again on a cold motor with this exception, add a small amount of oil to each cylinder. First do the test on the cylinder and record the pressure then add a small amount of oil and redo the test and compare the compression. I am attempting to identify if the problem is rings, valves or head gasket. I am concerned about cylinder 1. The compression is within range however the readings you provided indicate uneven compression. If after you add the oil the pressure evens out across the cylinders the problem is rings. If you get the same readings during both test the problem is the Head Gasket or a need to have a valve job done. The fouling is caused by oil getting past the rings or seals. Use regular oil in this test preferably in a hand oiler. Two to three squirts should be enough. DO NOT USE WD40 OR OTHER SPRAY LUBRICANTS. Those will damage your cylinder walls.

Aug 09, 2011 | 2004 Ford Freestar

1 Answer

I have a 89 fullsize blazer i was on freeway an the truck lost all power burped an started running temp went 2 about 200 got off freewy did compression test #7 has 0 comp.did i blow the rings out or?please...


low compression in one cylinder usually indicates a bad exhaust valve. Low compression in two adjacent cylinders typically means you have a bad head gasket. Low compression in all cylinders would tell you the rings and cylinders are worn and the engine needs to be overhauled. If compression is low in one or more cylinders, you can isolate the problem to the valves or rings by squirting a little 30 weight motor oil into the cylinder through the spark plug hole and repeating the compression test. The oil temporarily seals the rings. If the readings are higher the second time around, it means the rings and/or cylinder is worn. No change in the compression readings tells you the cylinder has a bad valve. have a good day!

Apr 16, 2011 | 1989 Chevrolet S-10 Blazer

1 Answer

Just had head gasket done escort van 55 still burning oil


Hello, there are many reasons for an engine to burn oil. Replacing a head gasket will stop leaks in the head, but it is not a cure all. You can have bad compression, bad oil rings, and valve guides that are worn. A new head gasket can fix compression leaks between cylinders and oil and antifreeze leaks.

Overall bad compression means both the oil rings and power rings are worn out. You can have bad oil rings and still run reasonable well if the power rings are okay. The valve guides are the small seals on the stems and with an overhead cam they are in the heart of the engine. Sometimes when the valley of an engine is plugged up, the oil can not return to the crankcase fast enough. The pooling oil is more apt to lay by the valve stem seals and be drawn into the combustion chamber.

Also check the PCV valve which may snorkel up oil into the induction system. Another sign of bad rings is blowby on the vent pipe.

Jan 20, 2011 | 1998 Ford Escort

1 Answer

I have a daewoo lanos 1349cc se i have put new piston rings had the valves re-cut and re-ground fitted new valve stem seals new hydraulic tappets replaced oil pump also had cylinder head skimmed and fitted...


Check your key immobilizer, i had a similar problem with my Lanos.
If you turn the key and your red light keeps flashing in the centre console your imobilizer is not turning off.

Oct 29, 2009 | 2001 Daewoo Lanos

4 Answers

CAR IS BLOWING WHITE/BLUEISH SMOKE


you're burning oil. Get a compression test done to it

Aug 16, 2009 | 2000 Mitsubishi Galant

1 Answer

My mx3 just had the head done and it is still blowing blue smoke once a day when i first start it... the mech that did the head said the compression was done and good and that when they opened the head...


Sounds like the excuse is a load of BS to me. If that was the case, the oil would of been burnt off during the normal test drive after they completed the head. I'm assuming you had a blown head gasket?

Blue smoke is indeed oil and if it ONLY occurs at start up then clears itself after some driving, it's the valve stem seals or valve guides (but more likely the stem seals).

They were most likely not replaced during the overhaul.

The stem seals stop oil from the upper lubrication in the head travelling down the valves into the combustion chamber and burning with the fuel.

While the engine is running, there is enough movement in the valvetrain (all the bits that move the valves) so that oil cant make it down into the combustion chamber.

However, when the engine is stopped and left for a period (ie: overnight) oil can trickle down into the combustion chamber through the seals which is why when you first start it up the next day it blows blue smoke. All that gathered oil in the combustion chamber is burning off.

The reason why they probably haven't changed the seals is simple: they make more money.

As a mechanic doing a head you have 2 options: You can either get what's called a 'Headset' which is the head gasket with all the other gaskets involved and stem seals OR you can buy the head gasket by itself and reuse the old gaskets and not replace the stem seals.

The head gasket by itself is half the price of the Headset but you can still charge the customer for the full headset....see where im going? Trust me, this kind of practise is unfortunately very common and one of the reasons I got out of the industry.

Once a car overheats due to a head gasket or any other problem, the stem seals nornally always have to be replaced because they harden due to the heat and lose their sealing power.

The solution? The head has to come off again to replace the seals and these guys probably know it so they are going into BS mode to protect themselves.

You have to insist they fix the problem because it wont go away and don't back down!

Oh, and for future reference there are only 3 kinds of smoke you can get:

Blue = Oil burning
White = Water burning (pretty normal in the morning)
Black = Fuel burning (Mixture running too rich)

Hope this helps :)

Jul 14, 2008 | 1994 Mazda MX-3

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