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Discussion Starter · #1 ·
So I have some pending codes that aren't hurting my car but I tried to get them off anyways for fun. Yesterday I swapped my existing pre cat 02s with each other and my car ran like a POS haha. It immediately went into limp mode and I just switched them back and the car runs almost perfect again. Are the 02s bad or does something else have to do with it? Thanks
 
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