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What should the fuel pressure be for a 2002 Chevy Malibu?

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Fuel pressure, (41 to 47 psi).If the pressure is good then the pump is ok. If the pressure drops off fast after turning off the key then you have a bad pump or fuel pressure regulator. With bad mpg I would think a bad regulator. You can do a quick check on the regulator by removing the vacuum hose and looking for signs of gas in the hose. thanks.

Posted on Jul 11, 2009

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