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Home >> Mazda >> 2002 >> Tribute LX, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 500 (Emission System) >> Evaporative Emission (EVAP) System Leak Detection Pump Inspection >> Airflow Inspection

Airflow Inspection

WARNING: This page is about a different car, the 2005 Mazda MX-5 Miata. However, it is still accessible from the selected car via links, so may be relevant.
NOTE:
  • Perform the following test only when directed.
  1. Disconnect the negative battery cable.
  2. Remove the EVAP system leak detection pump. (See EVAPORATIVE EMISSION (EVAP) SYSTEM LEAK DETECTION PUMP REMOVAL/INSTALLATION .)
  3. Blow air into port A and verify that there is airflow from port B.
    • If not as specified, replace the EVAP system leak detection pump.
  4. Blow air into port B and verify that there is airflow from port A.
    • If not as specified, replace the EVAP system leak detection pump.
    • If as specified, perform the following "RESISTANCE INSPECTION ".
      • Fig 1: Identifying EVAP System Leak Detection Pump
      G03637867Courtesy of MAZDA MOTORS CORP.
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