Turn off the engine and let it cool
Locate the mass air flow sensor
Disconnect the negative battery terminal
Unplug the sensor electrical connector
Remove the sensor from the air intake housing
Use only mass air flow sensor cleaner
Spray the sensing elements lightly
Do not touch the sensor wires or film
Let the sensor air dry completely
Reinstall the sensor
Reconnect the electrical connector
Reconnect the negative battery terminal
Start the engine and check for proper operation