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The TSX has a high compression ratio which makes it prone to pre-detonation due to the higher temperatures associated with higher compression. The higher octane helps prevent early detonation which can cause engine damage.
The altitude at which you drive your car and the time of year can also make a difference. Understanding the basics concepts of tuning a carburetor helps you understand the characteristics of fuel/air ratios and compression ratios, which would take too long to explain. So, to be safe, never use less than premium when the car is new. As the engine ages and the cylinder compression ratio is reduced due to aging/worn piston rings, you can use lower octane fuel. After the car has 75,000+ miles I would still recommend at least mid-grade fuel.
What else can I help you with?
Is it okay to use premium instead of regular gas?
Premium is required
What happens if you put wrong type of gas in your car i accidentally put regular umleaded gas instead of premium gas?
you will be ok MIGHT notice a very s;ight decrease in performance
What happens if you use Regular unleaded gas in Mercedes ML 500 instead of premium unleaded gas?
You get a lower gas mileage because it needs more fuel at one time to reach the maximum potential, and it still doesn't have very good performance.
What happens if I do not use premium gas my your car?
Check your user's manual. Many people mistakenly use "premium gas" because they think it is better in some way. The labels "regular" and "premium" have to do with the anti-knock characteristics of the fuel.
What color is regular gas?
What color is premium gas
Does a Nissan Murano use Premium or regular gas?
I used regular gas in my 2009 Murano. Ocassionally, I use the premium when I have extra cash.
Does a 1995 Nissan Maxima require premium gas or can it use regular unleaded?
you can use regular or premium
What is in premium gas that's not in regular gas?
higher OCTANE!
Should you use regular or premium gas for a Chrysler 300?
i am guessing you should use premium gas for a Chrysler 300. Regular is ok unless you have a SRT8.
Can you use regular gas instead of premium in a Mercedes ml350?
For a real answer check out this http://www.cartalk.com/content/features/premium/questions.html Their answer is a qualified yes, it is OK to use regular in modern cars. But read the all the details in the link above.
What happens if you put wrong type of gas in your car I Accidentally put super unleaded instead of regular unleaded gas.?
Nothing happens, except your wallet will be lighter.
What happens if you put in premium gas in a dodge stratus 03?
Premium is ok
