3.
Remove the air intake hose (C) from the mass air flow sensor.
Check the MAFS visually.
Correct mounting direction
Any contamination, corrosion or damage on connector.
Clogged or wet air cleaner
MAFS cylinder deformed or blocked by foreign material
Check for any leakage on intake system and intercooler system.
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Disconnect the mass air flow sensor connector (A) and the installation clamp (B).
Remove the air intake hose (C) from the mass air flow sensor.
Remove the mass air flow sensor after removing the installation bolts.
Install the component to the specified torques.
Note that internal damage may occur when the component is dropped. In this case, use it after inspecting.
Be careful not to damage the sensing element and the honey cell.
Install in the reverse order of removal.
Mass air flow sensor mounting bolt:
3.9 ~ 5.9 N.m (0.4 ~ 0.6 kgf.m, 2.9 ~ 4.3 lb-ft)
Mass air flow sensor clamp mounting screw:
2.9 ~ 4.9 N.m (0.3 ~ 0.5 kgf.m, 2.2 ~ 3.6 lb-ft)
After replacing the Mass Air Flow Sensor (MAFS), the "Component Change Routine" procedure should be performed. Otherwise trouble related with engine performance or emission control may occur until ECM learning about the component is completed.
Turn the ignition switch OFF.
Connect the GDS to Data Link Connector (DLC).
Turn the ignition switch ON.
Select "Vehicle, Model year, Engine, System".
Select "Vehicle S/W Management".
Select "Component Change Routine".
Select "Air Flow Sensor Change".
When the message is prompted, turn the ignition switch OFF and then turn it ON again in 20 seconds.
