Originally posted by Tony2005:
"Few day later got code p0161 (bank2 downstream O2 heater circuit)"
If you ran over a puddle of water, and the water got on the connector, you could get this code. I got one for a Bank 1 lower a few months ago driving in the pouring rain.




Wow, seems like that was it! Didn't know these things were so sensitive to rain.
Thanks for your help!

'99 SVT (black)