How To Clean Mass Air Flow Sensor With Alcohol. A tech at a company that specializes in cleaning products for electronics advised me to use 50% water mixed with 50% isopropyl alcohol. After collecting the information, the details will be sent to the engine control unit.
After you’ve thoroughly cleaned the sensor, make sure that it dries thoroughly. Air mass is a critical measurement the ecm uses to calculate fuel injection, and most engines are either equipped with a manifold absolute pressure (map) or mass air flow (maf) sensor.
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Also clean the sides of the part, its housing, its connectors, and its terminals. Be sure to cover the maf sensor’s wires, intake and all its crevasses to thoroughly clean the part.