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The more info the better :) . If you show me the options like in the screenshot it would be great.

How is your ecu's calibration configured for open loop? Can you share the calibration file? I am taking the same route - making it open loop, because I cannot find a way to make it work with wideband.

I think I have the same problems. ECU reading the same value, both sensor and resistance. Even after I disconnect the sensor.

I forgot to attach the files for wideband calibrations. Now attached to this reply

Yes, I sent my ecu calibration to KTEC, they sent back with modifications for wideband sensor.

I am not sure of anything. The table I posted before was given to me by ktec and they labeled the pins themselves (bosch (sensor) -> ECU). Ktec website says that the ecu has wideband input and amplifier - but if it does not work it wouldn't be the only thing that is not true on the product...

Maybe someone could help me with wiring the lsu 4.2 wideband sensor? I have the pin connection table from ktec, even the calibration aspect, but no matter if the sensor is connected or not I get the same reading... Looked through the wiring, everything seems to be alright. Wideband wiring...