As an automotive expert with extensive knowledge in the field, I can provide you with a comprehensive answer regarding the use of E85 fuel in your car.

E85 is a type of fuel that contains a higher percentage of ethanol, typically around 85% ethanol and the rest gasoline. It is designed for flex-fuel vehicles that are equipped with the necessary sensors and control software to handle the varying ethanol content. These vehicles are built to adjust the air-fuel mixture and engine timing according to the ethanol content in the fuel, ensuring optimal performance and efficiency.

However, using E85 in a non-flex-fuel vehicle is not recommended. The primary reason is that non-flex-fuel vehicles lack the necessary sensors to detect the ethanol content in the fuel. Without these sensors, the car's engine control module (ECM) cannot adjust the air-fuel mixture appropriately. Ethanol has a different energy content and combustion characteristics compared to gasoline, which means that the air-fuel mixture needs to be finely tuned to ensure the engine runs smoothly.

Additionally, non-flex-fuel vehicles do not have the specialized control software required to manage the air-fuel mixture and engine timing when using E85. The ECM in these vehicles is programmed to operate with gasoline and is not equipped to handle the unique properties of ethanol. As a result, the engine may not run efficiently, and there could be a risk of damage to the engine components.

It is also worth noting that using E85 in a non-flex-fuel vehicle can lead to other issues. For example, ethanol is hygroscopic, meaning it attracts water. This can lead to the formation of a corrosive substance that can damage the fuel system. Furthermore, ethanol can also cause certain materials in the fuel system, such as certain types of rubber and plastic, to degrade over time.

In conclusion, while it is technically possible for a car to run on E85, it is not advisable for non-flex-fuel vehicles due to the lack of necessary sensors and control software. Running E85 in such vehicles can lead to poor performance, potential engine damage, and other issues related to the fuel system. It is always best to consult your vehicle's owner's manual or a qualified mechanic to determine the appropriate fuel for your specific car model.

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The only problem is that non flex-fuel vehicles don't have the sensors necessary to detect ethanol content. They also don't have the control software to manage the air fuel mixture properly. So your car might run on E85 -C it's simply not going to run well.Nov 21, 2016read more >>