What should my o2 sensors and heater banks be set to on/off?
Posted: Sat Mar 29, 2008 12:20 pm
I have an 03 Ford Lightning and u7158 tuner. Im running a #6lbs lower and custom tune. The back cats have been removed but, I left the pre-cats on. Should the rear o2 sensors and heater banks be set to on/off?
Thanks for the advise.
Ivan
Thanks for the advise.
Ivan