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CEL with code P013C O2 Sensor? Anyone had this?

8K views 4 replies 3 participants last post by  mnblk5.0 
#1 ·
So about a week and a half ago my check engine light came on. I checked the code with my tuner and it came up P013C, "O2 Sensor Slow Response - Rich to Lean Bank 2 Sensor 2". I checked the fitting of my CAI and killed the code. Well today it reappeared. I'm not really noticing any loss of power or anything. Anyone had this?
 
#2 ·
There were rumors of ford having o2 sensor issues, I had the same problem lean on bank 2 and the only way I got rid of it was to replace the o2 sensor. It's about $200 dollars for a sensor but the good news is it should fall under warranty
 
#3 ·
So I'm guessing I should probably do a return to stock with my tune & CAI.
 
#4 ·
Update:
So I returned the tune to stock and ran a tank an a half of gas through it with no code. I guess it must have been tune related. The guys at Bama sent me revised tunes and I'll be reinstalling the CAI this afternoon.
 
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