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Mass Air Flow (MAF) Sensor Inspection: Notes

NOTE:
  • Perform the following test only when directed.
  1. Visually check for the following on the MAF sensor.
    • Damage
    • Cracks
    • Terminal Bends
    • Terminal Rust
      • If any of the above are found, replace the MAF sensor.
      • If the above are found okay, but PID value is out of specification, perform the "Circuit Open/Short Inspection". See CIRCUIT OPEN/SHORT INSPECTION .
  2. Reconnect the MAF sensor connector.
    NOTE:
    • The scan tool shows the MAF rate and load value.

    Specification 

    Fig 1: Identifying Mass Air Flow Sensor Specifications
    G00989724Courtesy of MAZDA MOTORS CORP.