What Causes Smoke from the Car Hood?

1 Answers
McAnastasia
07/29/25 7:34pm
There are many reasons for a car to emit smoke, some of which begin when the engine overheats. Alternatively, if blue smoke appears from the engine at the rear of the car, it is recommended to check the lubricating oil to see if the oil grade is too thin. Below is a detailed explanation: 1. Explanation One: The appearance of white smoke when the car is hot may be due to two situations: a small injection advance angle causing incomplete combustion, or slight water leakage in the cylinder liner and water present in the fuel. 2. Explanation Two: White smoke during cold starts, especially during low-temperature engine starts, is normal if the white smoke disappears as the engine temperature rises.
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