You've installed the active flyback circuit on the v3 board?I don't have this, so my PWM % must be set to 75% w/ my low impedance injectors.Go to the manual:http://www.megamanual.com/v22manual/mtune.htmand do a press ctrl+f and find "If you have low impedance injectors (less than 4 Ohms), set the:"Make sure you have the active flyback circuit installed if you are running a 30% PWM.Also, what fuel pressure are you running? try lowering it?
Joel Baldridge, ASE Certified Master Technician, Audi Certified Expert Technician