When coolant or water is burned within the engine block, it produces thick white smoke that exits through your tailpipe.Ī common occurrence is white smoke emitted in thick bursts. Thick white smoke from exhaust suggests that coolant or water has inadvertently entered the combustion chamber, which they should never. What Does White Smoke From Exhaust Mean? Thick bursts of white smoke from exhaust means problem with your engine components. It’s important to understand that while thin white smoke apperance is normal, if it is thick and comes out in visible bursts, you will need to perform inspection of various parts to diagnose the source of the problem. This is perfectly normal and it would disappear after a short while. Especially in winter though, you may occasionally see a thin veil of smoke in white, which is just water vapor. Under normal conditions, you shouldn’t be able to see the exhaust coming out of your tailpipe. Before exiting through your tailpipe, these gasses pass through the muffler to reduce noise and through a catalytic converter to reduce harmful emissions. The direct byproducts of such explosions are exhaust gases that get funneled down the exhaust system. Inside your engine’s combustion chamber, a spark ignites the mixture of fuel and air, creating a series of combustions or contained explosions inside the cylinder. Exhaust Emissions: What’s Normal?īefore we go on to explain why thick white smoke from exhaust is a sign of trouble, you must first understand where exhaust fumes come from and what is normal. Also included is the cost for repair or replacement in each case. To avoid this, you must understand the various root causes of white smoke from exhaust and master the maintenance steps of how to troubleshoot and fix these problems. And if you continue to drive in this state, you would risk further serious and expensive damage to your engine. The most common reasons for thick white smoke from exhaust involves some malfunction that requires immediate repairs or replacement of faulty parts, many of which are very expensive. However, whenever you notice thick bursts of white smoke from exhaust, it is a sign that something is wrong with various components of your engine, whether it’s white smoke from exhaust on startup or white smoke from exhaust when accelerating. In most cases, some thin white smoke from your exhaust in the winter is perfectly normal and not a source of concerns. Unfortunately I am thinking of getting rid of the car (due to problems and baby on way) but if I knew that it was fixed I would feel more comfortable about selling privately.You never want to see smoke coming out of your car’s tailpipe. I have spent quite a bit of money on this problem but since it is not blatantly ovbious what's wrong I find my mechanic fiddling about with things and thinking it is fixed when it is not.ĭoes this sound simply like air in the system? I really hope it is! And now I cant risk taking it on the motorway (I did once and had to get towed) The car now only overheats if I travel more than about 20 miles. When I lift the hood and listen to the engine tick over (AFTER OVERHEATING), about every ten seconds I hear a feint 'sucking' sound. ![]() Since then I noticed that although the heating does get hot now, but if I run it for a while on full blast it actually returns to cold, this should not happen on a running engine. ![]() I had my thermostat replaced last week and the heating started to work again. On motorways/faster speeds there was no problem with overheating, but still no actual heating coming through to the cab. this happens maybe 2 or three time over the next mile and then the problem doesnt come back until the car is switched off and goes cold again. Dial flashed overheat for about 30 seconds and then returns to normal temp. ![]() This was the story before I replaced the thermostat:Īfter about 1 mile from a cold start, the dial flashes onto overheat, the heater still runs cold. Hi Gents, I am in the middle of this problem also.
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