Why does my car smoke white when I first start it up?

But white smoke usually is caused by vaporized coolant, which often is the result of a blown head gasket. At the middle of the engine, you have the cylinders, which combust gasoline and air. Then, when you restart the engine, that coolant gets combusted, along with the gasoline and air. And that makes white smoke.

What does white smoke from exhaust mean on startup?

#1 – Condensation What is this? This is a common occurrence, especially in colder climates. When it’s cold outside and you notice white smoke at startup, then you probably have nothing to worry about. When the warm or hot exhaust gases meet cold outside air, condensation and steam is a result.

What does white smoke from the tailpipe usually indicate?

White Smoke It usually means that coolant is being burned in the engine, which means that something is drastically wrong. The most common cause of this is a blown head gasket, which can quickly lead to an overheating engine.

Why is my car leaking white smoke from the tailpipe?

Once that happens, the oil will become contaminated. The first sign of having contaminated oil is white exhaust smoke coming out of the tailpipe. As this continues, the white smoke will begin to have a sweet odor smell that won’t go away. Another area that can leak coolant is the coolant reservoir tank.

What does it mean when you have white smoke from exhaust?

White smoke. Some white exhaust smoke is normal, especially when you first start the car. Condensation can turn to vapor, providing what looks like white exhaust. But excessive white smoke likely means coolant is leaking into the engine combustion chambers.

How long does it take for white smoke from engine to clear?

The smoke should only be coming out in small amounts after you start your engine. Then after about 30 seconds to a minute, the white smoke should clear up. If this is the case then you have nothing to worry about.

What causes white smoke coming out of the fuel pump?

1 Broken Fuel Pumping Injection. White smoke most common reason is a broken injection. Does your car run on diesel? 2 Leaking Coolant. Another white smoke issue is the leaking coolant. 3 Problems From Other Parts. Problems from other small car parts can also cause white smoke.