How to test if a wideband sensor needs to be replaced?
Well I got under the car, and the part from the sensor only shows a yellow and red wire.
There is a yellow and orange wire, but those are running from from the head unit of the wideband system, not the sensor.
Also, where exactl do I put the volt meter things? I dont see any open wire, do I just put it on the insulated/colored wire?
TIA.
NTK's are accurate until they die, and no longer work, so no worry about them becoming bad.
Bosch sensors can drift, and can easily be unaccurate over time, especially when running leaded fuel.
Ryan



