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EGR Solenoid Valve

  1. Disconnect hose from solenoid valve. Blow through port "B". See Fig 1 . Air should flow from air filter. Remove connector from valve.
  2. Apply battery voltage and ground to proper terminals. See Fig 1 . Blow through port "B". Air should flow through port "A". Replace valve if necessary.
NOTE: For information on computer control of EGR solenoid, see appropriate article in the COMPUTERIZED ENGINE CONTROLS section.
Fig 1: Testing EGR Solenoid Valve
G93912Courtesy of MAZDA MOTORS CORP.