Quote:
Originally Posted by Phantobe
Yeah I assume its somewhere between 10-15% ethanol.
Should I just keep driving below 3k RPM until fuel trims stabilize?
Just don't know if I should rag on the engine if its seeing such high trims.
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Take it easy and fuel up with 91 again if you are so concerned, although more ethanol is good for timing anyway and the trim is actually going down.