what kind of fuel shoul i use on 1990 Cadillac DeVille

what type of gas should i use

by in Fair Lawn, NJ on May 17, 2010
2 answers
ANSWER by on May 17, 2010
Regular 89 Octane should be fine
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ANSWER by on July 01, 2010
I have heard to put the super unleaded only. like one grade up from regular. My gas flap also has a sticker on the inside saying that.