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Old 05-11-2013, 03:16 PM   #65
DarkSunrise
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Quote:
Originally Posted by Ryeong86 View Post
You know most dealers do not fill up the tank with premium. For normal driving, I use 87 octane and haven't heard any pinging or any problems with my car. On auto x days or when gas prices are down, I do use 92 octane from Wawa. I never let my tank go lower than 1/4 and I usually switch on and off on 92 octane to 87.
If you're absolutely determined to use 87 in this car, don't keep switching between 87 and 92. Let the ECU adjust to 87 and leave it at that.

If you keep switching, you'll get detonation when the ECU is adjusting down from 92 to 87.
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