Feb 18, 2008 #1 L Lane478 New Member Joined Jul 10, 2007 Messages 65 Reaction score 0 I pulled a 172 code on the KOER on my 94. What does it mean, other than o2 switch lean? Also, what will fix it?
I pulled a 172 code on the KOER on my 94. What does it mean, other than o2 switch lean? Also, what will fix it?
