Quote:
Originally Posted by deadmn1337
It is not recommended to run with the dp fix in permanently as it changes what the ECU sees and doesn't allow for proper adjustments.
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Do you have any details on this? The O2 sensors close to the tubos are the widebands used by the car to make tuning adjustments. I thought the O2 sensors at the other end of the downpipes (after the cats if you have any) were simply to check if the cats are working. I didn't think the car would make any adjustments based on the feedback from those sensors.