High flow cat o2 sensor problem
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From: canterbury ct
High flow cat o2 sensor problem
Hey guys i have a full vibrant exhaust system and my cel came on so I replaced both o2 sensor and the cat and the same codes keep coming up my car recently failed emissions so I have to get This fixed u guys have any idea on how to fix this the codes that come up are P0133. P0420. P1133
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