Question about Ford F-150
30-35 PSI is NOT enough fuel pressure, u should have 42-44 PSI minimum, in the shop 44 PSI at idle is about average, and about 50 PSI when you throttle the engine quickly, it should never go down, I suspect u have lean codes showing on the O2, also check for a plugged fuel filter, the filter is under the truck inside the frame rail below the drivers seat area.
Posted on Oct 13, 2010
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Posted on Jan 02, 2017
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