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Home >> Mazda >> 1983 >> GLC Base >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Component Testing >> No. 1 Purge Control Valve >> RWD Models

RWD Models

  1. Disconnect vacuum sensing tube B and A at the No. 1 purge control valve. See Fig 1 . Plug the vacuum sensing tube A. Start the engine and run it at idle.
  2. Connect a hose to port A and blow slightly through tube. Air should not pass. Unplug the vacuum sensing tube A and connect to port B. Blow slightly through tube. Air should pass.
Fig 1: Purge Control Valve Test (RWD Models)
G41075
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