I am installing a wideband in my car. The instructions say that I need to install some resistors so the car still thinks its heating the o2 sensor and that it runs in closed loop. My question is. If my car has been converted to obd I do I still need to do this? Also is there a way to wire up the wideband to datalog with crome? I have a 99 prelude with a P72 and the plx M-250

 

You do not need to keep the heater loop if you're running crome, there is an option to disable the heater check. If you wire the wideband's output to your stock O2 wires, then crome will use that to datalog.