Why Does Car Exhaust Emit White Smoke in Summer?

1 Answers
SanTucker
07/29/25 9:07pm
The reasons and solutions for car exhaust emitting white smoke in summer are as follows: 1. Excessive moisture in gasoline: If there is too much water in the gasoline, since water cannot burn, it will be discharged from the exhaust pipe, causing white smoke. Solution: Use higher-quality gasoline. 2. Damaged cylinder head gasket: If the cylinder head gasket is damaged, it will cause poor sealing between the cylinder block and the cylinder head, allowing water to flow into the cylinder or even directly into the oil pipeline. Solution: Replace the cylinder head gasket. 3. Engine cylinder leakage: Some antifreeze enters the combustion chamber or cylinder, and the antifreeze evaporates into white mist under the influence of high-temperature and high-pressure gases, causing the engine to emit white smoke.
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