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The oxygen sensor for a 1996 Infiniti I30 has 3 wires. The car actually has two O2 sensors, a front and a rear. Both sensors are the three-wire type.
There are total 4 O2 sensors. You can buy all 4 from Oxygen Geek and will cost about $260.
On each side of the exhaust.
There is no fuse for the O2 sensor.
exhaust pipe
infiniti#226A0-AM601 ntk#24408 denso#234-4312
It don't have a fuse for the 02 sensors.
Right behind the Cat. toward the back of the car.
were is the fuse located for the O2 sensor
The fuse is blowing out because the wire for the O2 sensor is shorting to ground. Replace the entire wire (trace it through the wiring harness) and the connector for the sensor.
I have 2 codes, P0031 and P0141. both are o2 sensors. (2002 dodge dakota sport) and I checked my fuse box, no fuse even there for the o2 sensor. I think that is my problem. haha, but, when u open your fuse case, look inside the top, look next to where it says "o2 sensor" for "spare" that is a spare for if yours goes bad.
I believe the O2 sensor heater is a fused circuit, you will need a wiring diagram to tell which one it is.