How do I clear a system lean bank
Tried everything to clear lean bank brand new o2 sensors new fuel pump and fuel filter checked for vacuum leaks and nothing works
Bu iyi bir soru mu?
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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 tarafından
@oldturkey03 2002 ford expedition xlt 5.4
Aaron Jensen tarafından
@oldturkey03 the codes were lean bank 1 system 1 and 2
Aaron Jensen tarafından
@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 tarafından