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  1. Codes C1201, P0420, and P2238

    4.2 Faults & Fixes
    My 04 Toyota RAV4 2WD got codes C1201, P0420, and P2238. Does anybody how I can fix this problem yourself. I’ve read on threads that’s it’s the a/f sensor upstream and once replaced, the code p2238 will remove along with the rest is this correct or am I missing somthing?! Thanks!!!
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