2001 maxima code P0171
hi me again,i still geting code P0171 i cleaned the mass air sensor.with scs mass air sensor cleener and it runs like a banshie faster then when i got it from my friend.still coding the same this time i left tester in will driveing and when it got to the 02 moniter it sent code pending.witch leads me to beleve its the bank 1 o2 sensor.how do i know witch is the bank 1 02 sensor.code book said system to lean bank 1.any help would be cool
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