VOLVO: LEAKAGE DETECTION DIAGNOSTICS IMPROVEMENTS TO REMEDY DTC'S. ALL MODELS FROM MODEL YEARS 2003-2008. DIAGNOSTIC MONITOR FOR THE EVAPORATIVE EMISSION SYSTEM SMALL LEAK, HAS USED A SOFTWARE FUNCTION THAT CALCULATES LEAKAGE BASED ON A PRESSURE INFERRED FROM THE CURRENT CONSUMED BY AN ELECTRIC PUMP THAT PUMPS AIR INTO THE FUEL TANK SYSTEM. *PE