Surging at idleI have a code pulled for P0171 but it read as bank 1 reading lean... that was last night. tonight is when the surging started... Any ideas?
Cars & Trucks - Ford - Expedition - 2004 Ford Expedition
Copyright © 2024 QA.XPDF.PUB - All rights reserved.
Answers & Comments
Code p0171 means right fuel trim is lean
the 02 sensor or map sensor can be at fault also