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Re: couds of grayish smoke when starting
If it's the org. engine it will has over 200,000 miles on it. It's normal to has the valve steam seal/oil seal on the head to leak oil into the cyclinder. The smoke you see is the motor oil drop from the seals. It land on the top of the cyclinders and it create black smoke at start up. The inexpensive fix is to start using high mileage oil with seal conditioner. This will help soften the rubber seals and help reduce internal oil leak. The correct fix is to wait until it's time for a head gasket replacement and let the professional service the head. Complete head service is the only method to stop this internal oil drip problem.
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I'm sorry to say your engine may be cooked. Since you are adding both oil and coolant, and the color of the smoke is gray or white, you have the signs of the engine burning coolant. The common cause is a leaking head gasket.
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
White smoke usually indicates water in engine. I would question the pressure test. Pull your spark plugs and check for coolant contamination on the plugs. Or rusty plugs. I'm not a mechanic but have had similar problems over the years.
This problem is common but often over looked. Moisture vapor is a grayish white color but it dissipates very quickly. Smoke that is grayish white is caused specifically from burning oil. The problem you have is a small seal called a valve seal. It is very common in cars that sit a fair amount of the time. The seal gradually starts to leak and allow tiny drops of oil to drip into the combustion chamber. When the engine is started then it smokes until the oil is burned. Due to the amount of time that your car smokes after start tells me that the leak is very small. That is why there is no oil consumption. This is not going to harm the car unless it becomes very bad and then the only thing that would happen is more smoke and fouled plugs. You can start using a heavier weight oil and add an oil treatment to the oil when you have it changed. This may evin stop it all together. Hope this answered your question. Please rate this solution if you think it has helped. Good luck and thanks cj2176.
Your issue would be bad "valve stem seals". They are hard rubber seals that wrap around the valve to seal out oil, and prevent it from going into you cylinders. When they get old and worn out, they will allow oil to seep into the cylinders.
its normal it just a moisture in your piping which causing to smoke that way...but if the smoke still when normal driving you might check the reservoir for cloudy water instead of coolant in that case you may have a blown head gasket if you got luck but if no cylinder or head are crack..anyways do not worry about white smoke you must worry if you have black smoke