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Code P0161


qwertydog
07-21-2011, 06:35 PM
Our 02 escape has started to run on 5 cylinders and when I read the code it was P0161 " O2 sensor heater malfunction bank 2 sensor 2 "
Any ideas how I can fix this ?
inafogg
07-21-2011, 06:46 PM
Our 02 escape has started to run on 5 cylinders and when I read the code it was P0161 " O2 sensor heater malfunction bank 2 sensor 2 "
Any ideas how I can fix this ?
this will give you an idea

http://www.obd-codes.com/p0161
qwertydog
07-21-2011, 07:15 PM
Thanks for that link, it explains what P0161 is all about. After reading it I now have a good basic knowledge to pinpoint the problem with the O2 heater. But, it did say that if one of these goes bad it usually does not affect the engine performance, just the emissions. So it seems that the engine has another problem causing it to run on 5 cylinders.
qwertydog
07-21-2011, 09:33 PM
Has anyone got any advice on how to pinpoint which cylinder is not running ?
I have never had to trouble shoot this type of ignition before.

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