What happens if you mix 95-octane gasoline with 92-octane?

1 Answers
SanJoshua
07/29/25 3:41pm
The effects of mixing 95-octane gasoline with 92-octane include: 1. Damage to the engine, spark plugs, and vehicle ignition system; 2. Shortened engine lifespan. Gasoline is a volatile, flammable hydrocarbon mixture liquid derived from petroleum through distillation, cracking, or pyrolysis. At room temperature, it appears as a colorless to pale yellow, easily flowing liquid that is difficult to dissolve in water and highly flammable. Mixing different octane grades can lead to incomplete combustion, carbon deposits, and reduced engine longevity. Gasoline octane ratings are classified based on the anti-knock index, which represents the ratio of a gasoline's knock resistance to that of a reference fuel. Higher octane numbers indicate stronger anti-knock performance, but this doesn't mean higher is always better. The appropriate gasoline grade should be selected based on the engine's compression ratio.
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