olhem o k encontrei num manual do vagcom
Group 003 (EGR)
Engine rpm: 870 - 950
Air mass drawn in (specified): 230 - 370 mg/H
Air mass drawn in (actual): 230 - 370 mg/H
EGR vacuum solenoid duty cycle: 40 - 75 %
If air mass specified is above 370, engine too cold.
If air mass actual...