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
What should my o2 sensors and heater banks be set to on/off?
Moderator: mikel
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ivanivan242
- Posts: 12
- Joined: Sat Feb 17, 2007 8:09 pm
RE: What should my o2 sensors and heater banks be set to on/
They should all be set to off.
Christy High
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