yeah... i hooked it up the the genesis today and looked at the graphs for the o2 sensors, b1s1 and b2s1 are functioning normally, up and down up and down, but b1s2 and b2s2 are pretty much flatlined. bad sensors or bad cats?
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yeah... i hooked it up the the genesis today and looked at the graphs for the o2 sensors, b1s1 and b2s1 are functioning normally, up and down up and down, but b1s2 and b2s2 are pretty much flatlined. bad sensors or bad cats?
The secondary sensors are supposed to be flatlined. It means the cats are functioning properly. When the cats start to fail, the secondary sensors will start oscillating like the primary sensors.