Feature●[PRODUCT BENEFITS] The Mass Airflow Sensor can get dirty over time, resulting in inaccurate readings and potential performance issues. Regular maintenance involves cleaning the sensor using MAF cleaner to ensure proper functioning.●[REPLACE PART NO.] 7M5112B579BB. Please confirm the model, displacement and year of your car before purchasing.●[COMPATIBILITY] for Ford Focus 2004-2020●[SIMPLY TO USE] 1. Resetting ECU Faulty Codes 2. Air Filter Replacement 3.Resetting Warning Light. While cleaning or replacing the Mass Airflow Sensor can sometimes be done by DIY enthusiasts, it is advisable to seek professional assistance if you are not familiar with the process. This ensures accurate diagnosis and proper installation.●[SHIP CONTENT] 1 Pc - Mass Air Flow Sensor MeterDescription