PO175 System too rich (bank2) and PO171 system too l
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PO175 System too rich (bank2) and PO171 system too l
Does anyone have a way of looking up these fault codes? My 2003 f150 didn't pass state inspection for these reasons. o2 sensors did pass. Their suggestion was a process of elimination in replacing parts. Sorry, but I don't have an open check book.
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