4.
Remove the mass air flow sensor (A) after removing the installation bolts.
Check the MAFS visually.
Mounting direction correct.
Any contamination, corrosion or damage on connector.
Air cleaner's clogging or wet.
MAFS cylinder's deforming or blocking by any foreign material.
Check any leakage on intake system and intercooler system.
Turn the ignition switch OFF and disconnect the battery (-) terminal.
Remove the air intake hose (C).
Disconnect the mass air flow sensor connector (A) and the installation clamp.
Remove the mass air flow sensor (A) after removing the installation bolts.
Install the component with 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.
Installation is reverse 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".
If the message appears, turn the ignition switch OFF and turn the ignition switch ON again in 20 seconds.
