,## Exhaust smoke and its colors on a RS Q8: causes and severity,,In a few words:According to the color of the exhaust smoke that is released from the exhaust pipe of your RS Q8 you will be able to identify the possible causes. The colors of the exhaust smoke that your RS Q8 may produce will help you find the problem. Inorder of priorityfrom the least to the most dangerous, these colors are:white, blue, black, mix of two colors.,First, it should be said that the exhaust gas that is usually released through the exhaust pipe of your car is basicallyinvisible. You should see a faint and short-lived exhaust that fades shortly after appearing only if you speed up abruptly. If your RS Q8 discharges visible exhaust smoke then it is very likely that you need to take it to a specialist.,,## White exhaust smoke coming from the exhaust pipe on a RS Q8,,The exhaust gas that comes out without strength and elevates considerably (it may get over the roof) but then fades without any trace when your car is idling may only bewater vapor.This exhaust does not smell like anything in particular and it can be seen if the temperature is low or if there is humidity.If this is the case, do not worry.,If the white exhaust smoke does not fade, it is dense and smells, thenit is associated with acoolant leak. In this case, thecoolant levelof your RS Q8should be low. Have your car checked up by a specialist to confirm this leak and prevent your engine from overheating.,⚠️Check the recovery tank.If you see that thecoolant is bubblingthat means that it is leaking into the combustion chamber. This is caused by a leak of exhaust gases into the cooling system. If your car has these symptomsyou shouldhave your engine checkedby a specialist at once since this malfunction may bring serious problems.,This liquid leak may be caused by the following reasons:,• The cylinder head gasket is damaged (which is the cheapest problem to fix),• The cylinder head or the engine block are cracked (which is more expensive),,## Blue exhaust smoke coming from the exhaust pipe on a RS Q8,,At first sight this exhaust smoke seems white but it has ablueish tone, a certain density and a particular smell, like something is burning.Moreover, itsvolume increases significantly when you step on the accelerator.,This blue exhaust smoke indicates that thelubricant oil is burning, either because there is a leak into the inside of the combustion chamber or a leak into the exhaust system.,⚠️Check if the level of lubricant oilof your RS Q8is decreasing drasticallyto verify if that is the cause.,The causes for this lubricant leak are usually the following:,• The valve stem seals are in a bad shape,• Thepiston rings are worn down,• Leaks of oil in the supercharger (if the engine of you RS Q8 has this system),Unfortunately, fixing any of these problems is expensive and they usually affecthigh mileage engines(with more than 90,000 miles) or cars withbadly battered engines.,If the exhaust smoke is blue but it is not too d
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