Repair guides and support for the Expedition, a full-size SUV based on Ford's F-150 pickup truck. Closely related to the Lincoln Navigator.
Aaron Jensen @aaronjense14525
評価: 1
投稿日: 2025年10月8日
Tried everything to clear lean bank brand new o2 sensors new fuel pump and fuel filter checked for vacuum leaks and nothing works
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4 件のコメント:
@aaronjense14525 what exact year and engine size is your Expedition? What was the original code you got when you scanned your OBDII?
oldturkey03 さんによる2025年10月8日
@oldturkey03 2002 ford expedition xlt 5.4
Aaron Jensen さんによる2025年10月8日
@oldturkey03 the codes were lean bank 1 system 1 and 2
Aaron Jensen さんによる2025年10月10日
@aaronjense14525 so something like P0171 and P0174. For those codes I would recommend you clean your MAF sensor and check for any exhaust and vacuum leaks. Sometimes a bad intake gasket can be the culprit as well.
oldturkey03 さんによる2025年10月11日
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@aaronjense14525 what exact year and engine size is your Expedition? What was the original code you got when you scanned your OBDII?
oldturkey03 さんによる
@oldturkey03 2002 ford expedition xlt 5.4
Aaron Jensen さんによる
@oldturkey03 the codes were lean bank 1 system 1 and 2
Aaron Jensen さんによる
@aaronjense14525 so something like P0171 and P0174. For those codes I would recommend you clean your MAF sensor and check for any exhaust and vacuum leaks. Sometimes a bad intake gasket can be the culprit as well.
oldturkey03 さんによる