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Old 03-27-2012, 11:29 PM   #48
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Location: Santa Rosa, CA
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Originally Posted by 1turbofocus View Post
No cars can adjust for the octane you are running as there is nothing in the fuel tank that tells the ECU what octane your running so there is no way for a ECU to recalibrate , what they can do is see your o2 signal that may go leaner/rich and adjust with adptive learning and see the knock sensor and take out spark if you have knock

That's exactly what I mean and the reason I'm asking about whether or not the Focus will do the same thing.
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