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1990 Chevrolet Corsica Question: where to locate vaccum leaks in a 1989 chevy corsica



drk2007, 2.2L 4 Cylinder, Billings, MT, May 27, 2012, 17:37

1989 using too much gas

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  • Answer #1

    Diagnostechs Mobile Service May 27, 2012, 19:18

    Check MAP sensor vacuum connections and circuits. Replace any broken or rubbery vacuum line, check air inlet hose. Is service engine soon lamp on?

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