Cleaner for mass airflow sensor. Spray. 170 g. It is specially developed for safe cleaning of the newest film-type sensors. It is used to clean all popular mass airflow sensors. It perfectly removes contaminants of all types (soot, oils, lubricants, etc.) which leads to restored operating parameters of the sensor ( accuracy in airflow measurement) and engine performance. It quickly evaporates without sedimentation. Application: Stop the engine. Disconnect electrical wiring of the sensor. Spray the product on the sensor within 5 - 10 seconds. Make sure the product is fully dry (it is recommended to blow the area with compressed air), then re-connect the wiring.