pujithaj

Hi, I know that this thread is very old, but I'm posting my problem since I'm having the same problem and haven't solved it yet. I'm still struggling. when I refer to the post , I can understand that the co lever was dropped to 0.023 and was advised to replace the o2 sensor. can u pls. explain me how this was solved before replacing the o2 sensor? where was the error ? how did u manage to reduce the co level ? pls. help on this.