Question about 2002 Hyundai Accent

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White smoke heavily out of exhaust only at startup when engine is rather cold-any other causes but a bad head gasket-this can be rather expensive

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Go with the head gasket or a cracked head,bad intake gasket

Expensive alright,even if you do your own work

Posted on Nov 11, 2010

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  • Hyundai Master
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Not realy antifreeze is getting into cylinders it could be the intake manifold gasket but at any rate this will distroy your engine if its not fixed fast

Posted on Nov 11, 2010

  • Anonymous Nov 11, 2010

    White smoke is not okey,it is coolant in the cylinders
    Blue smoke is oil

    Both are bad,any smoke, you ruin your engine, and they won't accept it for inspection

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  • Hyundai Master
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You dont say where you are white smoke is ok,if the smoke has a blue tint then you worry.if the water levels is ok then i dont think you have any worrys keep happy.adrian,,

Posted on Nov 11, 2010

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3 Answers

Engine was knocking but running good not smoking so we replaced the engine with brand new short block from Toyota. Now the truck is blowing white smoke. What could the tech done wrong to cause this? Or...


Take it back. I doubt the short block is bad, but if the smoke persists beyond a day or two, the cylinder head may need removing to check the fit of the head gasket, and to ensure the passages in the head match the block. Does the exhaust have a sweet smell? That could be coolant burning.

Now it is possible that a little spilled coolant may have collected in the exhaust during the engine swap, and that is why you see white smoke. This should burn off in a day or two. If the smoke persists, and the coolant level is dropping, they need to take it back and fix it, at their expense, at least the labor charge. Toyota may have made production changes during the year on this engine, and that is what needs to be investigated. That, and if the head gasket is correctly fitted.

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White smoke from exhaust for long periods on start up on my zx6r g1 1998 model. What is causing this please?


Unfortunately this sounds like your head gasket has failed. You will need to replace this soon or risk serious damage to your engine.

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X-Trail has white smoke blowing out exhaust pipe when I start up


It's normal for cars to do this in cold weather til the engine warms up a bit. If it's not cold you might have a head gasket going bad causing antifreeze to get into the engine.

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Ford focus tdci white smoke problems


What happening is you have a bad head gasket or its starting to go bad. As long a little oil is getting in to cylinders causing that smoke once it warms up that gasket is expanding thus the smoke stops. I would keep an eye on oil levels if it gets milky replace gasket asap. Could also be intake gasket but highly doubt it this sounds like a worn head gasket.

Nov 27, 2012 | 2006 Ford Focus

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1999 Cadillac eldorado overheating. Changed thermostat, still overheating now with white smoke coming from exhaust. Checked water pump belt, it is there and turning. Cold air blowing from heater, no heat.


coolant leaking into engine probably blown head gaskets. More damage will occur the more you drive it. Unfortunate and expensive repair on a northstar.

Aug 24, 2011 | 1999 Cadillac Eldorado

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White smoke from exhaust pipe..


White smoke is a sign of coolant being burned in the exhaust.

Jul 05, 2010 | 2003 Ford Explorer

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

2 Answers

Heap of white smoke on startup but not always


White smoke usually occurs when there is not enough heat to burn the fuel. The unburned fuel particles go out the tailpipe and typically produce a rich fuel smell. It's not unusual to see white smoke in the exhaust during cold weather until the engine warms up.

Faulty glow plugs or control module can cause white smoke on engine start up.

Low engine cranking speed may also produce white smoke.

If white smoke is still visible after the engine has warmed up, the engine may have one or more bad injectors, retarded injection timing or a worn injection pump.

Low compression or air in the fuel system can also be a source of white smoke.

May 20, 2009 | 1992 Daihatsu Charade

1 Answer

White smoke coming from exhaust when accelerating


This is usually an indication of a bad head gasket.I gasket. The white smoke is the coolant leaking out of the engine and winding up in the oil passages, due to a bad head gasket. To confirm this,
1. check oil. Is level increased, or milky appearance?
2. Is coolant level dropping, but u don't see any signs of leaks?
The above indicates a bad head gasket, causing the white smoke u describe. Let me know how u make out.

Jan 03, 2009 | 1990 Nissan Pulsar

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