bad gas mileage

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December 23rd, 2011, 5:46 PM

blue05

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bad gas mileage

i replaced my faulty fuel pressure regulator and now my mileage has dropped in half. could the new regulator be bad ?

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December 23rd, 2011, 6:59 PM

tech2

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the only way to know is to check the fuel pressure and see if its too high. How did you diagnose a bad regulator?

If you have access to a scan tool that can view data stream; you could check the fuel trim.

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January 6th, 2012, 1:38 PM

HotSauce6226

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Check the fuel filter.. I bet its dirty

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