10-05-2021, 04:55 PM
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#2 (permalink)
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Ronin Samurai - Assassin
Join Date: Dec 2011
Location: Fayettenam,Pennsyltucky
Age: 68
Posts: 34,867
Drives: 2011 Nismo GM 6M
Rep Power: 2684436
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Should be 4 O2 sensors total. 2 pre cat, 2 post cat. I would check to see if the car has a tune.
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