Is There Any Impact When Mixing 98 and 95 Gasoline?
1 Answers
92 and 95 gasoline should not be mixed because they have different isooctane contents. 92 gasoline is suitable for engines with low compression ratios, while 95 gasoline is suitable for engines with high compression ratios. If 92 gasoline is added to a car that requires 95 gasoline, it may cause abnormal combustion, leading to knocking. Knocking not only damages the combustion chamber but also directly affects the normal operation of the engine, and in severe cases, it may cause engine damage. If 95 gasoline is added to a car that requires 92 gasoline, although it will not damage the engine, 95 gasoline is more expensive than 92 gasoline, resulting in unnecessary costs. Differences between 92, 95, and 98 gasoline: Standard gasoline is composed of isooctane and n-heptane. Isooctane has good anti-knock properties, with an octane rating of 100; n-heptane has poor anti-knock properties and is prone to knocking in gasoline engines, with an octane rating of 0. If the gasoline is labeled as 92, it means that the gasoline has the same anti-knock properties as standard gasoline containing 92% isooctane and 8% n-heptane. The same principle applies to 95 and 98 gasoline. How to handle adding the wrong gasoline: If gasoline with a higher octane rating than required is added, such as adding 95 when 92 is specified, simply switch back to 92 gasoline after the current tank is consumed. If gasoline with a lower octane rating than required is added, such as adding 92 when 95 is specified, you can add a high anti-knock fuel additive. Alternatively, you can drain the incorrect gasoline and refill with the correct 95 gasoline. To find out which gasoline your car requires, refer to the vehicle's user manual or check the fuel grade indicated on the fuel tank cap.
