Quote:
Originally Posted by Baltothewolf
You could also put a anti fouler on the downstream sensor, and see if that works. It does on Honda Insights.
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I bought some spark plug anti foulers and tried that but the check engine light came back on. That was before I got a scanner so I going to different autozones to get codes read but that was a while ago...
I will try that again first.
I don't mind having to put a cat back on if that would fix it. I just don't want to waste money and there are very few resources on feedback of catalytic converters on the civic hx. The reviews are mixed and most people don't know what the hx is capable of.