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also orileys has upstream and downstream o2 sensors. because (according to all diagrams the bank 2 sensor21 is located just in the exhaust manifold, before the cat,) would you call this the upstream sensor?

hey guys i pulled these codes last night at orielys off my 02 ford explorer, p0174 & p1151. my logic would be that since its only talking about bank 2 seansing lean and the bank 2 sensor isnt switching reasonably just replace the b2s1 ho2 sensor. does that fit with everyones thought process...

i know im a bit late to the party, but i was doing some searching and i have yet to try it but i have seen alot of people say that cleaning the battery terminals can help it. i have had the trip odom problem as well as strange starting (the only way i can describe it) it wont start but it kinda...