what should the fuel pressure and flow be?

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what should the fuel pressure and flow be? The vehicle runs and idles but has no power. Does drive but hard to accelerate or maintain speed. Codes are p0101 (air flow) and p0300 (misfire) I have replaced the MAF hoping for the simple fix with the p0101 but no change

Wilb in Vancouver WA

Apr 1, 2015

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