Aug 16, 2011 #1 G Gn Guy Member Joined Oct 24, 2009 Messages 51 I have replaced the O2 sensor today. The readings after a while go above 700 to the 800 range. Everything seems fine then there is a stumbling and the readings head south to below 100. This is all at idle.What can be the matter? I need help.
I have replaced the O2 sensor today. The readings after a while go above 700 to the 800 range. Everything seems fine then there is a stumbling and the readings head south to below 100. This is all at idle.What can be the matter? I need help.