Where would the o2 sensor heater circuit fuse be located on a 2000 honda civic 23l bank 1 sensor 2 p0141 code still after replacing o2 sensor mechanics assistant okay ill connect you to the mechanic to help find that for your honda civic. If you open the hood of your honda civic most likely you will locate the oxygen sensor o2 mounted in the exhaust manifold above the exhaust pipe flange on some models the exact location might vary but you can always find the sensor by following the exhaust manifold and pipe. Fuse box diagram fuse layout location and assignment of fuses and relays honda civic mk8 and civic hybrid 2006 2007 2008 2009 2010 2011. On this episode of fear no fix jim and chris replace both o2 oxygen sensors in a 18l honda civic model years 2006 2011 need help diagnosing issues wit