rayaapp2 Posted May 2, 2009 Share Posted May 2, 2009 So I have a few old HO2 sensors around here that basically plug and play with my RB25. They are all used. The plan is to obviously get a NEW replacement asap. But I was playing with them and doing the Ca BAR tests on them for now cause Im a curious person. All 3 that I have fail the tests. They all still swing, that is to say none of them are stuck lean or rich. But they all 3 switch so slow that they cause a hichup in closed loop as they do not move fast enough to correct whats coming out the exhaust. Im actually very surprised just how reliant the Nissan system is on the O2 sensor especially considering that it is for OBD I. So now that Tm fooling around with this thing Im wondering what wears out that causes the sensor to stop switching as fast as new? Any technical in depth stuff for me? Ray Quote Link to comment Share on other sites More sharing options...
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