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Hey guys i purchased an O2 sim, from o2simulator.com a while back and im going to do the install this weekend. i have been throwing a code for a while due to my headers / exhaust, but it is relative to bank 1 sensor 2, to my knowledge the o2 simulator needs to be installed in the rear bank? bank 2 i believe? will this still solve my problem and properly simulate cats in my system? do i install them in the rear sensors? btw they are duel output simulator
 

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i have a 2004 mazda v6 that is throwing the codes P0171 and P0174. the code reads lean bank 1 and bank 2. where are those 2 o2 sensors located and which is rear and front? i bought 2 replacements, but im not sure which location is front and which is rear. if anyone has pictures i would appreciate it.
 
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