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I have a 2001 Seville Cadillac that the service Engine soon light comes on after I happen to use certain fuels. It seems that ethanol type fuels are the worst. The light will go out after I put in a higher octane fuel. Not sure this is my complete problem but it always seems to go out in time. I keep wondering if there is some type of fuel additive I could add that would make the light go out faster.
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∙ 16y ago
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battery disconnect for 3 min
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