What is your question?
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What is your question?
I checked my check engine light the code reads. po171 generic system too lean bank 1. My view freeze frame reads Dtcfrzf po171 , Fuelsys1 CL , Fuelsys2 N/A , Load_pct (%) 25.9 Since Dtcs cleared 1/3 reads mil status on, misfire monitor ok, Fuel system mon ok, comp.component ok. i need help please!
What makes this problem better or worse?
it just started
How long has your 1996 Ford Explorer had this problem?
2 days
2 Replies
Hello, Your engine is notorious for vacuum leaks, as pushrod said, at the intake manifold sealing rings. There is an upper an lower set, and they will eventually leak. Smoke test, and you may just see smoke trickling out around the manifold... or any number of other places.