Here’s the thing, some cars are made to run on 91 and higher-octane gas, so using 87 octane gas can cause “knock.” (Yes, you read that right.)
Knock occurs when fuel spontaneously ignites and uncontrollably burns within the engine's combustion chamber.
When this happens, you may hear knocking or a “pinging” sound while driving. That’s your cue that something has gone awry and that knocking can really affect your car's performance. Even worse, over time that knocking can lead to severe engine damage.
It’s not rocket science that fuel can be dangerous if not handled properly. FYI, handling rocket fuel is an entirely different kind of danger, so please leave that to the astronauts. But, every now and then it can’t hurt for us all to get a refresher on the precautions to take when storing gasoline around the home.
Just like you switch out your wardrobe for the cold and warm months, we do the same thing with our fuel at BP. Our gasoline is blended differently based on the climate in order to ensure you get the optimal performance out of your vehicle and other engines. Here’s how we do it: