What else to do for lean codes?

Asked by GuruJH1BP Aug 01, 2020 at 06:14 PM about the 2000 Ford Expedition Eddie Bauer

Question type: Maintenance & Repair

2000 Expedition 5.4 Eddie Bauer 234000 miles.
New coils, injectors, plugs, air filter, fuel filter. Pcv is
working properly, MAF is working properly, no
vacuum leaks at the intake or anywhere else. Egr is
working properly. I’m still getting lean codes p0171
and p0174. O2 sensors are good. Ruff idle
sometimes and hard start sometimes. Don’t know
what else to do.

1 Answer

Your Answer:

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