Chery Gasoline Bosch MG1US008 CAT EVAP EGR DTC OFF. ECU firmware/calibration dump for professional tuning of a Chery gasoline vehicle with Bosch MG1US008. The listing specifies E2 / CAT and oxygen-sensor OFF, EGR OFF, EVAP-related functions and DTC OFF. Confirm ECU ID, software version and vehicle before flashing; an incorrect write can damage the ECU.