My 2003 Honda accord check engine light came on so I hooked this code reader up to it to give me the code and it gave me 0141 o2 sensor heater circuit malfunction (bank 1 sensor 2) what o2 sensor is that the one downstream? Before are after the exhaust manifold are the Cadillac converter? Are is it just a regular o2 sensor

https://www.askmehelpdesk.com/cars-trucks/2003-honda-accord-590060.html

According to your other thread its dead as a doornail after hooking the Battery up backwards... or did you fix the other problem?

It's the one in the catalytic converter... But that's not going to solve your problem if you reversed the terminals on the battery hook up. Good luck with that one.

Read more about your code and sensor here:

http://honda-tech.com/showthread.php?t=2193891&highlight=p0141