Air Flow Meter/Sensor: Testing and Inspection

1. Remove the air flow meter from the vehicle.
2. Inspect the air flow meter body for cracks.

Air Flow Meter Test -- Closed Position:

Air FLow Meter Schematic:

3. Check the resistance between terminals of the air flow meter and compare the readings with the chart below.

Air Flow Meter Resistance Chart:

Air Flow Meter Test -- Open Position:

4. Press open the measuring plate with a screwdriver, and measure the resistance between E1 and Fc (fuel pump switch) and between E2 and Vs and compare the readings with the chart below.

Resistance Chart:

5. Replace the air flow meter if necessary.