General Disarray Posted October 3, 2007 Report Share Posted October 3, 2007 I'm getting the code 443, catalytic converter efficiency low. Could this be one of my O2 sensors? I recently put on a highflow cat. The user has excellent ratings and searching through all the feedback I did not see one bad thing about him. link of site Link to comment Share on other sites More sharing options...
Zappo Posted October 4, 2007 Report Share Posted October 4, 2007 So, because this guy has a high rating on eBay, you think your O2 sensor is bad?Now, the sensor could be bad, but they normally throw other codes when it happens. High flow doesn't mean high efficiency.Clear the code and see if it comes back. Could be a one time thing or something that happens every few months. Link to comment Share on other sites More sharing options...
Guest Guest Posted October 8, 2007 Report Share Posted October 8, 2007 No, my dad told me to check my 02 sensors first, Is this something to do only with the efficiency and not the flow? Link to comment Share on other sites More sharing options...
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