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No. 1 Purge Control Valve (All Models)

  1. Disconnect manifold vacuum hose from manifold. Disconnect and plug control valve-to-water thermo valve hose. See Fig 1.
  2. Start engine and run at idle. Blow through manifold vacuum tube. Air should not pass through control valve.
  3. Unplug thermo valve hose and reconnect to purge control valve. Blow through manifold hose again. Air should pass through control valve. If valve does not respond as described, replace purge control valve.
Fig 1: Testing No. 1 Purge Control Valve
G09313776Courtesy of MAZDA MOTORS CORP.
Fig 2: Testing No. 2 Purge Control Valve (GLC & 626 Models)
G09313777Courtesy of MAZDA MOTORS CORP.