What happens if I use 87 octane gas in a car that requires?

What happens if I use 87 octane gas in a car that requires?

Q: What happens if I use 87 octane gas in a car that requires 91 or better octane gas? A: That depends on whether it actually “requires 91 or better” or “recommends 91 or better”. If the former, then knock or ping will result and eventual engine damage.

Is it OK to use 89 octane in a Mercedes?

I have two points I would like you to consider: If your Mercedes owner’s manual recommends 91 octane, but says 89 octane should be fine, you can use 89 octane without doing any real harm. However, if the owner’s manual says to only use 91 octane, you could damage your engine with the cheaper gas.

What is the octane rating for premium gas?

For example, here is what GM says about the subject in an owner’s manual for a vehicle that requires premium: “Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty.

Can you use unleaded gas with a low octane rating?

“Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty. Note that this applies only to engines that require premium gas.

Q: What happens if I use 87 octane gas in a car that requires 91 or better octane gas? A: That depends on whether it actually “requires 91 or better” or “recommends 91 or better”. If the former, then knock or ping will result and eventual engine damage.

For example, here is what GM says about the subject in an owner’s manual for a vehicle that requires premium: “Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty.

I have two points I would like you to consider: If your Mercedes owner’s manual recommends 91 octane, but says 89 octane should be fine, you can use 89 octane without doing any real harm. However, if the owner’s manual says to only use 91 octane, you could damage your engine with the cheaper gas.

“Use premium unleaded gasoline with a posted octane rating of 91 or higher. If the octane rating is less than 91, you could damage the engine and may void your vehicle warranty. Note that this applies only to engines that require premium gas.