02 is300 det3 afr not reading the same between software and wideband

I have an 02 is300, have an aem wideband wired into pin 2. I’ve noticed that the afr readings on the tuning software are reading completely different numbers compared to the aem wideband. Is there a way to change it? I’ve changed the analog input to pretty much all wideband files that come with the software and still can’t find the correct one. Thank you all in advance.

Probably ground on the gauge is not on the same as det3 hence the offset

Thank you, I’ll try that out! I do have the gauge grounded to the chassis as of now but I’ll change it and see