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1990 Cadillac DeVille Question: what kind of fuel shoul i use

 

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Visitor, Fair Lawn, NJ, May 17, 2010, 15:03

what type of gas should i use

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  • Medium-star Best Answer
    May 17, 2010, 15:05
     Journeyman

    Regular 89 Octane should be fine

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  • Answer #2

    Visitor, July 01, 2010, 11:02

    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.

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