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What Happens If Diesel Vehicles Are Filled with 92 Gasoline?

2 Answers

DanteRose

07/25/25 9:06am

Added gasoline diesel engine can still start, but it will lack power and operate roughly with significant vibration, slow speed, loud noise, and cannot function normally. It may even cause damage to the diesel engine. Below are the differences between diesel and gasoline engines: Ignition Method: Diesel and gasoline engines use different fuels, have different ignition methods, and operate on different principles. Diesel and gasoline are two completely different fuels. Diesel has a lower auto-ignition temperature, around 220°C, and is more viscous and less volatile. Gasoline has a higher auto-ignition temperature, around 415°C to 530°C, and is less viscous and more volatile. The working principles of diesel and gasoline engines also differ. Diesel engines use compression ignition, while gasoline engines use spark ignition. Different Compression Ratios: The compression ratios are different. Diesel engines have much higher compression ratios than gasoline engines. Diesel engine compression ratios generally range between 16-22, with some reaching up to 26. Gasoline engines have smaller compression ratios, generally between 8-11, with some reaching up to 14.

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KathrynRose

08/10/25 7:10pm

I heard about this last time and it was really scary. If a diesel car is filled with 92-octane gasoline, it's a big deal. Diesel engines rely on compression ignition, but gasoline has a much higher ignition point. Mixing them can directly clog the fuel injectors. What's worse, gasoline lacks lubricity, so the diesel pump and rails can get worn out. Starting the engine might cause loud knocking and severe shaking. It might stall after just a few miles. If this happens, don't force it to run—shut it off immediately and call a tow truck. Repairs are extremely expensive; the entire fuel system needs cleaning or even replacement, costing at least several thousand dollars. Always check the label before refueling, and consider putting a diesel label on your car to avoid mistakes. The cost of this error is just too high.

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