2005 Mazda RX-8 Q&A

2005 Mazda RX-8 Question: witch is the 1 bank the one closest to motor or the second one down the exsaust

i got a new o2senser the cod said i needed it for the 1 bank -
Answer 1
this is a picture showing the bank 1 location. http://chinasinoy.com/service/bank-1-location-84.html -