LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Kia >> 2004 >> Rio Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel System & Fault Isolation >> Components >> MAF Sensor >> Installation & Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Installation & Inspection

  1. Attach mass air flow sensor to air intake hose and to mounting bracket.
  2. Replace two bolts to retain mass air flow sensor to mounting bracket.

    Tightening Torque: 69~96.3 lb. in (7.8.8 N.m, 0.8 kg.m)

  3. Reconnect air intake hose to the mass air flow sensor.
  4. Tighten bolts of retaining clamps on both sides of mass air flow sensor.
  5. Reconnect mass air flow sensor connector to sensor.
    Fig 1: Illustrating Sensor Element
    G02181427Courtesy of KIA MOTORS AMERICA, INC.
  6. Warm up engine to normal operating temperature and let engine idle.
  7. Connect voltmeter between terminal 2 (G/L) and ground.
  8. Verify that the voltage varies between 0.6V~0.8V.
  9. Rev up engine and verify that voltage varies between 3.0V~4.0V.
  10. If voltage is not within specification, replace mass air flow sensor.
    Fig 2: Illustrating Sensor Connector
    G02181428Courtesy of KIA MOTORS AMERICA, INC.