Save Expense – Avoid Premium

Owning automobiles is already expensive, but factoring in the price of gas can up your driving costs substantially. The good news, according to our team of experienced mechanics at Christian Brothers in Arlington, TX, is that for most vehicles most of the time, it’s just fine to use regular gasoline rather than paying for premium fuel.

Premium gasoline isn’t more rich with engine cleaners and almost never impacts performance. It’s just marketing. If you’re unsure about what to use to fuel your engine, first check out your owner’s manual. If premium fuel isn’t called for, skip it. If the requirement isn’t there, avoid premium and save yourself the money.

When auto engines aren’t created for premium gasoline, it means they never benefit from the higher-octane fuel. It has to do with engine combustion. Premium fuel ignites at a higher temperature, so it can withstand more compression without reigniting. It also has a lower concentration of heptanes, which also makes it less likely to ignite at low temperatures. Even the U.S. government agrees – there’s no reason for it in the average tank.

Even if the owner’s manual does call for premium gasoline, you may not always want it. If your car isn’t more than 10 years old, that’s particularly the case because those engines are likely to have technology that adjusts ignition timing. With engines that are intended to use premium fuel, the low-temperature can mean better performance. The pricey fuel also prevents knocking or pinging noises. But the difference is usually slight, and the price difference is serious. The only exception is for cars that have knocking noises when regular fuel is being used, even under standard driving conditions. For these vehicles, do a little more research or talk to one of our ACE-certified auto experts about using the right fuel.

Can I Try Using Diesel?

While it’s not usually wise to use premium gas over regular never try diesel in a gas engine. You could stall the engine and make it unusable. Then, you’ll have to pay the high costs of flushing the system of gasoline. Diesel is a little grimier and much thicker than gasoline, and the engines are different in a few ways. First, diesel engines don’t have spark plugs. Instead, the fuel is ignited by the heat of compressed air, which is compressed before the fuel is injected right in the chamber. With regular gas, fuel and air are combined first and then the spark plugs ignite the mixture.

Get in Touch with Christian Brothers Today

If you have concerns about how to fill your gas tank or if you’re having any trouble with your fuel system, give our trusted team in Arlington, TX a ring. We advice, maintenance, repairs and more.