Solved: p0174 only code i have on my ford f150 5.4l Ford p0171 2002 p0174 van codes Lean p0171 p0174 banks 2002 both engine ranger forums reply
2002 3.0 P0171 P0174 (Engine lean both banks) - Ranger-Forums - The
2002 3.0 p0171 p0174 (engine lean both banks)
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2002 ford van codes p0171 and p0174P0171/p0174 codes. pcv valve? w/pictures Ford explorer 4.0l v6 sohc p0171 p0174 lean codes- common cause.
