Does mixing 92 gasoline and 95 gasoline have any impact?

[Carole]

Mixing 92 gasoline and 95 gasoline does have an impact, and the effects are: 1. Abnormal engine operation; 2. Increased vehicle noise; 3. Reduced driving power; 4. Engine damage. The characteristics of gasoline are: 1. Volatility: It quickly vaporizes in the engine cylinder and forms a uniform combustible mixture with air; 2. Anti-knock properties: Refers to the ability of gasoline to resist detonation under various operating conditions; 3. Stability: The ability to resist oxidation under normal temperature and liquid-phase conditions; 4. Corrosiveness: Sulfur compounds in gasoline can cause corrosion to materials. Gasoline is a volatile and flammable hydrocarbon mixture liquid obtained from petroleum through distillation, cracking, or pyrolysis, and it can be used as fuel.

[LeJasper]

I've been driving for many years and occasionally mixed 92 and 95 by mistake. In the short term, there's basically no problem. The car still runs normally, and the engine light sometimes comes on but goes off by itself. This is because modern cars' ignition systems detect fuel quality and adjust automatically to prevent knocking or stalling. However, long-term mixing has hidden dangers. Unstable octane levels may lead to incomplete combustion, forming carbon deposits that clog fuel injectors, affecting engine lifespan and fuel consumption. For example, during high-load driving, the engine may shake more. It's recommended to check the manual and stick to the recommended fuel grade. If you accidentally fill up with the wrong fuel in an emergency, just finish that tank and switch back. Remember, differences in additives between gas stations are also worth considering—don't invite trouble just to save a little money.

[DeAutumn]

As a new car owner, I'm quite particular about refueling. I've tried mixing 92 and 95 octane gasoline and found the engine runs smoothly without abnormal noises. After consulting professionals, I learned that the vehicle's sensors can temporarily adapt to changes, reducing potential engine damage. However, frequent mixing with significant octane fluctuations may cause slight engine knocking, especially in hot weather. Additionally, it can accelerate fuel filter contamination, increasing maintenance burdens. Therefore, I've developed the habit of checking the pump labels before refueling to ensure using only one type of gasoline and avoid risks. After all, a new car represents a significant investment, and protecting the engine is crucial.

[PeterRose]

My car repair experience shows that mixing fuel grades has minimal impact but requires caution. The engine computer can compensate for short-term mixing of 92 and 95 octane, ensuring smooth operation. However, be mindful of vehicle model differences - older cars or high-compression engines may experience increased carbon buildup requiring more frequent cleaning when mixing fuels. It's best not to make this a habit; always follow the manual recommendations. Using fuel additives can effectively assist with cleaning, offering a simple yet efficient solution.