Exhaust Replacing cats with O/R x pipe and need a tuner

Tp90notch

New Member
Sep 15, 2019
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Massachusetts
I’m replacing my cats with an off road x pipe. My question is what type of tuner do I need to keep my CEL off when I remove my o2 sensors? Thanks
 
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Potomus Pete

Gretchen Whitmer is eating at me
Mar 7, 2019
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I did that but kept my o2s.....I have an old Diablo chip that I did not install and know nothing about. I have a big Anderson four inch power pipe headers x with no cats
 

JMGlasgow

Mustang Master
Feb 19, 2017
693
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What year is your car? If you're talking about the O2 sensors after the catalytic converters, vehicles before 1996 didn't have those. And they are only there to monitor catalyst efficiency.
 

Potomus Pete

Gretchen Whitmer is eating at me
Mar 7, 2019
1,192
408
93
56
Sarasota Florida
Just to add to the discussion. I replaced my thirty old O2s and my car runs much better, My acceleration is smooth. Before that it was breaking up.