AFM Problem
#2
Three Wheelin'
Join Date: Jul 2001
Location: Reading PA
Posts: 1,667
Likes: 0
Received 0 Likes
on
0 Posts
![Post](https://rennlist.com/forums/images/icons/icon1.gif)
Most likely it is the lack of a good ground. Do you have a 4 wire O2 sensor with the seperate ground? If you don't have your gauge and O2 sensor grounded to the battery that might acount for the difference.