Quote: Originally Posted by Novertrunion05
Can anyone tell me the significance of a wideband 02 gauge? and how does it differ so much from a narrow band? Thanks.
LOL, you're on a learning streak today

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Your difference in wideband vs narrowband is simply the voltage. Wideband have a 0-5 volt whereas your narrowband has a 0-1 volt. For tuning purposes you should only use a wideband due to it's range. Never try to attempt to use a narrowband.