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Home >> Mazda >> 1984 >> RX-7 GSL, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> PCV System >> Component Testing >> Rotary Engine Models
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Rotary Engine Models

  1. Disconnect purge valve-to-oil filler tube hose from purge valve. Start engine and run at idle speed. Place finger over open purge valve port and feel that no vacuum is present. See Fig 1 .
  2. Increase engine speed to 2000 RPM and feel that vacuum is present at purge valve port. If valve does not operate as outlined, replace purge valve.
Fig 1: Rotary Engine Purge Valve (RX7) Check air flow at port leading to oil filler tube.
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