wideband question

[Plum Crazy]

Im looking at putting in a wideband o2 sensor in my Challenger, would it be better to run 2 widebands, one in each bank, or can i just run one??

[BAD LS1]

Well you really only need one in one bank. If you put them in each side, then the ecu for the wideband display would have to be able to use both inputs and avg them.

It's advised to place the sensor ahead of the cats, but if that doesn't work, after the cat works fine too, just discard the readings during cruise - closed loop as they will read a few point leaner than 14.7. But at wot, the cats cool off fast and the readings will be accurate then as the cats really do nothing then. Cats only really work at 14.7ish with a oscillating lean/rich pattern provided by the switch points.


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