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What Impact Does Ethanol Gasoline Have on Car Engines?

1 Answers

OJulia

07/30/25 5:53am

Ethanol gasoline affects the engine by reducing the vehicle's power performance, fuel economy, and cold start capability, which is detrimental to acceleration. It also has a corrosive effect on automotive metals, especially copper. Below is relevant information about ethanol gasoline: 1. Advantages of ethanol gasoline: High octane number and good anti-knock properties. Ethanol has an oxygen content as high as 34.7%, and the use of ethanol gasoline can effectively reduce vehicle exhaust emissions and improve the energy structure. 2. Shortcomings in power performance and corrosion resistance: Ethanol has a large heat of vaporization, and the evaporation temperature under the theoretical air-fuel ratio is higher than that of conventional gasoline. Ethanol produces acetic acid during combustion, which has a corrosive effect on automotive metals.

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What to Do When the Car's Water Temperature is Too High in Summer?

First, slow down and then drive the car to a shaded area by the roadside. Since many drivers are not familiar with the structure and principles of the cooling system, it is still recommended to turn off the engine. If the inspection reveals a water pipe leak and the leak is not severe, and there is still a large amount of coolant in the radiator, you can add coolant promptly. If the inspection reveals that the water pipe or radiator is cracked, the method mentioned earlier will not be useful. Instead, it will cause more coolant loss and a faster rise in water temperature. Once damaged, it will cut off the cooling water circulation. You can touch the upper and lower thick rubber hoses of the radiator with your hand to check for any noticeable temperature difference.

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