Quote:
Originally Posted by StraightOuttaCanadaEh
Read what it says in the manual. I believe, if memory serves, you're supposed to use 93, and 91 for short periods if 93 is not available. There's a page dedicated to fuel in the manual.
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That's not exactly what it says. You can use 91 as long as you want.
Quote:
Fuel types
Unleaded gasoline (93 AKI [Research Octane Number 98] or higher)
If unleaded gasoline with an octane rating of 93 AKI (98 RON) is not available,
unleaded gasoline with an octane rating of 91 AKI (95 RON) may be
used with no detriment to engine durability or driveability.
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Note that if you're at a high elevation (in the mountains), 93 octane will almost certainly not be available. That's because at higher altitudes, lower air density makes higher octane unnecessary to prevent knock.