code po141 HELP!!!!

[blk06gmc]

Hey guys, I got an 06 gmc duramax. I changed the fuel filter and now i have a po141 engine code. How can I have this code on a duramax?????? Marc

 

[MadMaxx61]

P0141 Oxy Sensor Heater Circ (bank1, Sensor2)


Not sure why you got it from just changing the fuel filter. I have only got this code with a big fuel tune and at the track running hard.

 

[Brian1]

I would try a different scan code reader to see if I get a different code. What did you use to read code with?

Brian