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Q: Poor Gas Mileage at 65,000 miles on 2000 Chevrolet Malibu

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I'm having the leaking manifold gasket problem now and poor gas mileage! just got down replacing the fuel pump! what next? How do I solve these problems?
(1) Answer
Which Engine do you have? I ask this because some of the smaller V6 GM engines have a pattern of leaking coolant from the mainfold. The only thing that you can do is to replace the gasket, which is about a 4 hour job plus the price of gaskets and coolant.