Please Help me.....I drive a 99 integra gs-r and I got a check engine light a couple days ago. My ecu threw code 63 which is my secondary o2 sensor. I got another sensor and replaced it and the light is still on, I switched the secondary o2 with the primary o2 sensor and still got code 63 which means the problem is not with the sensor but somewhere else.....If anyone's had experience troubleshooting this type of problem please give your advice, I'm lost....thanks

 

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