Question about 1999 Pontiac Grand Prix

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Car won't start only after it rains or moisture is prevelant

Thought it was the battery, got replaced. but battery was only a year old. lately, it has been rainy and after a substantial amount of rain the car won't start. if it is dry out the car fires up with no problems.

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  • orientxpress Dec 27, 2008

    do you mean temperature outside?

  • yadayada
    yadayada May 11, 2010

    why yes I do.

  • yadayada
    yadayada May 11, 2010

    I suspect it is a temp issue not a rain issue.

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Something is getting wet , park car under cover like indoor garge and see what happens. Good Luck

Posted on Dec 27, 2008

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