Every engine part changed, still has P0171 P0174 codes Pt1 @SchrodingersBox

Uploaded December 2022 | Updated September 2026, 4 days ago

1998 Ford F150 Triton V8 with P0171 and P0174 lean codes that has had every part thrown at it and even the repair shop can't figure it out...
But maybe a DIY can.
See my website and download the Free DIY Diagnostics Book (during limited time only) at www.schrodingersboxqm.com!!

Part 2 is Here: youtube.com/watch?v=v76bgaouHVY

Every engine part changed, still has P0171 P0174 codes Pt1

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