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1997 Mercury Grand Marquis

Question: Car doesn't want to stay on.

Question

blue_22, Houston, TX, January 20, 2010, 11:59
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The only way my marquis stays on is if I hold the gas down. What do I need to do fix it?

2 Answers
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  • Medium-star Best Answer
    Visitor, May 03, 2010, 18:20

    VACCUM SEAL IS BROKEN, LOOK AT INTAKE MANIFOLD GASKET.

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  • Answer #2

    Visitor, May 29, 2010, 03:14

    replace the mass air flow sensor located in line of the breather

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