2002 toyota camry. change af sensors light keeps coming back. codes p1135 & 1155 on 2002 Toyota Camry

i've check the fuses and the relays everythin looks find. so i change the computer under right side panel. change the af sensor 2 times, and after reseting the check engine ligh it comes back after 15 seconds. can anyone give me an idea what could it be? thaks.

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1 answer
codes only identify circuit issue not always sensor seek diag and est