Originally Posted by awd-box-turbo
i was going over the AEM UEGO manual and it comes factory calibrated and the settings are correct when i pulled it out... im idling at 14.7:1 - 15.3:1? could it be because i have a FMIC and a short ram? or could it be i have a leak at one of my injectors? from what i understand im either having too much are in, OR im not getting enough fuel in?
How is idling at 14.7:1 lean?
When you are off throttle coasting in gear (engine braking) you shouldn't even have a readable AF ratio. Sounds to me like you're fine, as long as AFR under boost conditions are acceptible.