I need some help. I have a Fountain with twin 502's. These engines have fuel injected B&M 250 Blowers. The starboard engine runs great very little blower surge and idles around 7-800....I can live with that, the port engine can only idle at 1200-1300 and has alot of blower surge anything under that. Under load they they both idle great. One other thing both engines seem to run a little fat which I don't understand because the fuel injection should compensate for altitude,air density, and temperature should it not???
Any ideas would be greatly appreciated????