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Originally Posted by MikeD268
Figured I'd revisit this while I had a few minutes. Bottom line is that I'm still waiting for a code to pop after having cleared it with my scanner and filling up with 93 octane. While I may have totally jinxed myself with this observation, I figured the risk was worth it.
"Cheap" gas - banks running lean - poor cat performance - multiple codes set. Cleared codes - better gas - better engine performance. Seems legit, no?
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reports have been out that some fuel sold is less octane than stated. 87 could be 85. that would throw off the engine fuel management ..