Question about 2001 Nissan Pathfinder
02s heater circuit malfunction? the light is on for service engin soon. is what i was the told the problem is. how can i fix this.
Sounds like the heater of your o2 sensor is giving problems, you can try to fix it if its a visible problem with the cable going to it or the cable of the sensor, they are just a simple resistance that heats the sensor fast and allows the ecm to work with it right after u turn on the ignition.
the cables are usually white and has 2 of them, if the sensor has 4 cables, both white cables are the ones going to the heater...if its a 3 cable sensor, again, the white one.
hope this helps
have fun underneath that car
Posted on Nov 19, 2009
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Posted on Jan 02, 2017
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