White smoke from your car's exhaust can be a sign of several potential issues, ranging from minor to serious.
Most commonly, it indicates that coolant or water is entering the engine’s combustion chamber due to a crack or damage.
This can happen due to a blown head gasket, a cracked engine block, or a warped cylinder head.
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Take your car to a trusted local garage to find a solution to the problem, as it needs to be addressed immediately. Ignoring it could lead to a large bill for a replacement engine.
These three components all have water or coolant flowing through them. If damaged, they can leak into the engine, where it turns into steam and exits through the exhaust.
However, don’t jump to conclusions if you see white smoke. If the smoke is thin and disappears quickly, especially on a cold day, it might just be condensation burning off, which is normal.
However, if the smoke is thick and persistent, then it is likely coolant, and a more serious issue is present.
Driving with this condition can lead to engine overheating and severe engine damage if not addressed promptly.
Other, less common causes include a faulty fuel injector or a fluid leak into the engine.