Operation CHARM: Car repair manuals for everyone.

Air Flow Meter/Sensor: Service and Repair





Inspection

1. Check the mass air flow sensor visually.
A. Mounting direction of the sensor
B. Any contamination, corrosion or damage of connector
C. Air cleaner's clogging or wet
D. Sensor cylinder's deforming or blocking by any foreign material
2. Check any leakage on intake system.

Removal

1. Turn the ignition switch OFF and disconnect the battery negative (-) cable.
2. Disconnect the mass air flow sensor connector (A) and remove the installation bolt (B).




3. Remove the intake air hose (A) and the resonator (B).

4. Remove the installation clamp (C), and then remove the sensor from the air cleaner assembly.






Installation

CAUTION:
- 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.

CAUTION:
- Be careful not to damage the sensing element and the honey cell.

1. Installation is reverse of removal.

Mass air flow sensor installation bolt:
3.9 - 5.9 N.m (0.4 - 0.6 kgf.m, 2.9 - 4.3 lb-ft)