White smoke on car

Why would a car blow white smoke? What causes white smoke from car exhaust? Why is white smoke coming from my exhaust? One cause of white smoke from the exhaust might be the engine leaking coolant. If the engine leaks coolant, it will be burned by the heat of the engine and then come out as smoke from the exhaust.

One reason for white smoke is very common and completely harmless. This is nothing but steam caused due to condensation. As the engine warms up after a few minutes, this white smoke will not be reduced because condensation is dissipated. One of two conditions is responsible for white smoke blowing out of your exhaust. First is normal condition (so you don’t have to panic) and the second is a not so normal condition which should be fixed as soon as possible.

When you start the car , the engine heats up, and these water droplets are emitted as white smoke. A damaged head gasket or cracked engine block leak coolant. The white smoke is the result of normal condensation which builds up inside the exhaust system.

The oil filler cap in almost all the engines releases a faint whiff of smoke , which is a residue of the burnt fuel inside the engine. White smoke can be a big problem or not, depending on the thickness. Older engines produce more hot spots, which make the car smoking under hood but not overheating. What does WHITE smoke from my exhaust mean?

If the white smoke coming out is in volumes, you should stop the car immediately and call for emergency roadside assistance, including a tow truck. Heavy volume of white smoke means the engine is dangerously overheating. Regrettably, you may be faced with having to purchase a new engine. If you see white smoke during startup only, then this is probably because oil leaks pass the valves and mixes with any moisture present in the car’s exhaust.

When you park your car under extremely cold conditions, the car becomes too cool, its air shrinks and starts producing moisture. How to Diagnose a Car with White Smoke from Exhaust. There are several ways to diagnose a car with white smoke. I work as a mechanic, and this is the way I would diagnose this issue. However, some ways are easier and faster than others.

If the smoke disappears shortly after starting, there is likely no problem, but if it continues, it means that water or coolant are in the combustion chamber. If the smoke smells sweet or you detect the odor of antifreeze there could be a problem even if you do not see any white smoke. White Smoke If you see white smoke coming out of the tailpipe, that smoke means that your car has a leaking cylinder-head gasket or a cracked head gasket. Moved to golf cart community and for last year averaged 175. I now drive highway and city.

Car in garage when not in use. In this video we show you why! If it continues after the engine is warm, a cracked engine block or cylinder head or a leaky head gasket may be letting coolant into the engine.

If there is a problem within the engine that produces smoke, that smoke will exit the engine through the exhaust. A leaking valve cover gasket might produce smoke caused by oil dripping on a hot manifold. I’ve had that happen twice, one time on a Corolla due to a radiator that sprang a leak, and the other time on a Ford truck, a coolant hose burst. Dean, 5woil is fine, Some white smoke at start up from cold engine is fairly normal and will dissipate (stop) for the most part after engine and exhaust has warmed up to operating temperature. If you notice you are low on coolant or having to add coolant then there could be an issue.

OK, I have fifty years of experience as a gear head working on cars and building high performance engines. Can the OP give us some details regarding his mystery vehicle?