1998 Ford F-150 Repair Question
Topics covered: Fuel pressure, Gas, Sensor.
Mileage: 100 miles.
Mileage: 100 miles.
Asked on December 30, 2012
Ford F-150 Fuel pressure Problem
I have a ford f150 with the gasoline 5.4l motor in it, it has the 2 codes for lean bank 1 and 2 (p0171 and p0174)
how do i test the maf sensor and can or should it be cleaned at all?
how do i test the maf sensor and can or should it be cleaned at all?
Asked by (pending member)Answer
Replied on December 30, 2012
could be a vacuum leak, bad pcv, low fuel pressure or a bad mass air flow.
cleaning never works for mass air flow.
Roy
