P0171 & p0174

I have put it on a smoker and could not find a leak but will look at the Pcv and hose

you may have to cut back a little foam insulation to get the hose off.mine turned to mush,had split in it and collapsed,could not see it till i cut back the foam insulation.it thru 9 codes,replaced hose,cleared codes.the end of that.20000 miles ago.still driving,2000 f150 supercab 4.6L,304150 on her now.good luck.

and i should have put that in there,i just went thru that 900 miles ago! "Entretien Programme"

✔️ & ✔️

I put a new fuel filter in going to have a fuel pressure done

post results.good luck