Quote:
Originally Posted by schteve_d
You sound pretty sure. Why?
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Because the high octane level of premium gas does nothing for mileage or cleaning abilities. It's simply for knocking in high compression engines.
I recommend this for a good read:
http://en.wikipedia.org/wiki/Octane_rating
If you really want to flush/clean the fuel system or injectors, get a bottle of the cleaner fluid from Canuck Tire and put it in your empty tank before filling. Do this a couple times a year.