Kia Niro: Engine Control System / Mass Air Flow Sensor (MAFS) Repair procedures

Correct mounting direction

Any contamination, corrosion or damage on connector

Clogged or wet air cleaner

Deformation or blocked MAFS cylinder by foreign material

Mass air flow sensor mounting bolt :

3.9 - 5.8 N·m (0.4 - 0.6 kgf·m, 2.8 - 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)

Install the component to the specified torque.

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.