View Full Version : 06 S40 PO172 code

09-28-2010, 10:05 AM
has 72K miles on it, changed upstream O2 senor & cleaned MAF sensor (found dirty). I know this code indicates it is running rich, any ideas? I have spend $200 on problem to still have light on.

10-03-2010, 04:25 PM
Try a new thread here...

George Dill