Holy ****! On my 2002 SE auto accord with SRI and bypass I'm only getting 330 a tank. And I already have good tires, new plugs. BUT I do have a code for bad cat converter. I've tried seafoaming, gas treatments, coasting, and most I've ever had was 350 a tank. And this is city driving. Any other suggestions besides new cat?
What you can also do is, avoid flooring it 'n drive like grand ma (changing shift @ low rpm & avoid down-shifting when pulling the brake), taking out the spare tire if u r okay w/ it, avoid leaving heavy stuff in the trunk cargo, keep your tire air pressure accordingly, using cruise control on the flat road / hwy, etc. And, staying away from Arco / Safeway gasoline.Also idk if my gas light works? Lol when the needle is completely under the E line the light still don't come up. I needa fix that too haha
If you wanna be serious about some weight reductions, going w/ carbon fiber trunk & front hood, getting light-weight wheels, (say, 15 lbs per piece) and racing front seats, removing the rear seats & door linings is a great way of improving your mpg.
As far as the gas light issue, almost all 5th & 6th gen Accords are like that, so you're not the only one.
Btw, if you change out the size of your tires (diameter) from the oem spec, they will mess up your true mpg, since your odometer will be off, when you calculate your mpg.
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