Can a Gasoline Car Use Diesel?

1 Answers
DelCourtney
07/30/25 8:13am
Gasoline cars cannot use diesel. This is because the working principles of these two types of engines are different, and the ignition points of gasoline and diesel also vary. If diesel is mistakenly added to a gasoline car, the vehicle must not be driven and requires towing for rescue. The diesel must then be completely drained, followed by cleaning the fuel tank, fuel line system, and engine, as well as replacing the gasoline filter. After these steps, the car can be refueled with gasoline and used normally. Additional information is as follows: 1. Gasoline Engine: A gasoline engine operates on spark ignition. The ignition point of gasoline ranges between 410°~430°, and the air-fuel mixture requires a spark plug to ignite and generate power. 2. Diesel Engine: A diesel engine operates on compression ignition. The ignition point of diesel is only around 250°, and the temperature increase from compressing the air is sufficient to reach diesel's ignition point.
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