check engine light just came on after I gassed up. Might have had too much ethan on 2004 Buick Park Avenue

Might have had too much ethanol in it

by in Sun City West, AZ on July 29, 2013
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2 answers
ANSWER by , August 01, 2013
Did you put cap back on or tight enough
ANSWER by , September 10, 2015
Is the fuel cap on tight?