Originally posted by pesuazo
Actually, the fluctuating duty cycle is good news (no faults).
The fact that it is a little high means you are running lean. Try to bring it down to 45-55% using the adjustment screw.
Procedure will be found doing a search.
tried that, as soon as i pass below 60-65%, the car will die, and will not start unless i spray starting fluid into the air meter, and quickly turn the adjustment screw. Something tells me something is up.