P0139
P0159
Not sure what mods you have but I'd checking for intake leaks. It's hard to believe that both O2 sensors failed at the same time. It's also hard to believe that an exhaust leak appeared on both banks at the same time.
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'11 370Z Nismo #528 Fast Intentions | Stillen | Motordyne | Uprev | CSF | Zspeed | Z1 Motorsports | AST | Swift | SPC | SPL | Whiteline | Hotchkis | Bride | Schroth | Robispec | Cusco | Nismo | Volk | Forgestar | Hoosier | RJM
'17 Titan Bone Stock
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