What happens if you use 89 octane instead of 87?

Yes. You will not harm your car by mixing different octane grades of the same gasoline providing your car’s engine is designed to run on less than 89 octane fuel and you are not using E85 in a non-E85 compatible engine. 50\% 87 octane gas mixed with 50\% 89 octane gas makes 88 octane gas.

What happens if I use 91 octane instead of 95?

If you use 91 octane fuel instead, you can expect reduced vehicle performance because the car’s on-board computer will receive information via the knock sensor and alter the ignition timing. But there won’t be any damage caused, at least in the short term.

Is it OK to use 89 octane?

Most cars on the road recommend a standard grade 87 or 89. Premium gas 90-93 is completely okay to put in a standard vehicle. Car experts say there is no risk of damage to a standard car using premium fuel.

Can you mix different octane fuel?

Yes, drivers can mix the two types of fuel. The combined gas types will result in an octane level somewhere in the middle — something the vehicle “will survive,” according to The Drive.

What happens if you put low octane fuel in a car?

If you put the lower octane fuel in an engine which specifies high octane fuel, will not cause you any major issues on an electronic fuel injected engine because it has a device known as a “knock sensor” which will pull timing. …When you mix different octanes of fuel, you are either increasing or decreasing the octane of the fuel at hand.

What does the octane rating mean on gasoline?

The octane rating is a measurement of the fuels ability to resist knocking or pinging as the fuel is combusted in your car’s engine. Typically, the higher the octane rating, the higher the price. Related: Which Gas Should I Use?

Does higher octane fuel boost performance?

In some cases, going for higher-octane fuel does boost performance because of more straightforward burning. However, for most consumer fuels, the power boost is not that significant. Also, there are some engines that aren’t designed to burn premium fuel, resulting in lower power and fuel efficiency.

What happens if you put 89 octane in a 87 car?

The three tiers of gasoline (87, 89 and 93 octane) are all next to each other on the pump and it’s not hard to absentmindedly push the wrong button. If you opt for a higher octane than your manual recommends—say, 89 instead of 87—your car will be perfectly fine, an article on AAMCO’s blog explains.