Quote:
Originally Posted by dsm_luck
Just trying to understand this right but the wideband can go into the stock 02 location as long as I am catless right? Then you have to plug it into the stock harness and the ECU will use the wideband and it will give greater accuracy as well? Is there any reason that if the 02 is bad to just replace with another stock one?
Thank you.
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You can use the stock location rear o2 sensor bung to run your wideband, but you can't utilize it with the stock harness to monitor it through your ECU. The stock rear o2 sensor is there as a part of the open loop/closed loop fueling system these cars have to monitor the catalytic converters effeciency. You would need a tune to delete the code that would result from removing said o2 sensor.
A wideband gauge has a kit that comes with another bung that you weld (or get welded) into your DP. You mount it in your cabin to monitor AFRs as you're driving. You can't use your stock o2 to accurately monitor real time AFRs.