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

1989 using too much gas

by in Billings, MT on May 27, 2012
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1 answer
ANSWER by , May 27, 2012
Check MAP sensor vacuum connections and circuits. Replace any broken or rubbery vacuum line, check air inlet hose. Is service engine soon lamp on?