Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!
How to test the sensor? I see no area on my scanner that even hints at anything but no signal.
Only getting 0.86v on both conector pins tells me something is not sending signal. And no sign of harness damage!
The never ending XB, my kid should have just traded it in !
And while checking the sensor, guess what else shows up !