Unleash Engine Power The Ultimate Bank 1 Sensor 1 O2 Sensor Upgrade

Sad to say Bank 1 Sensor 1 is the upper one near the firewall.. But I recently did this on my 2G MDX and I can assure you its easier to replace ... The O2 sensor is nothing to skimp on. I'm using the NTK sensor in my rig but the price is similar to the Denso brand. The codes are produced because the oxygen sensor in bank-1, sensor-1 is getting an out-of-range reading, not necessarily that the O2 sensor is faulty. Note: Some older vehicles with V type engines may only have 1 upstream O2 sensor and 1 down stream O2 sensor. In this case they would be ... You have to go left handed, from the passenger side/left under wire harness. Use a crow bar to hold up harness slightly to get in there and see ... Bank 1 Sensor 1 O2 Sensor (P0131) General BMW X5 (E70) and X5M Forum (2006-2013) Went on ford parts site and it listed 4 oxygen sensor parts with very little information. Does anyone know which one I need? Sensor 1 would be the upper sensor BEFORE the catalytic converter. You will find the upper's right under the hood in the exhaust manifolds, very ... I'm working to replace all (4) O2 sensors on my 2006 EX-LT after getting code P0154 for Bank 2 Sensor 1 (155k miles, prob originals). If you have replaced the oxygen sensor on bank 1 sensor 1 and the engine code is still coming back, it is possible that the cracked muffler is ...