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Home › Mazda › 1986 › RX-7 Base, Automatic › Repair and Diagnosis › Engine Performance › System › Air Management System › System Testing › Exhaust Gas RECIRCULATION (EGR) Control System › EGR Valve Inspection

EGR Valve Inspection

  1. Warm up engine and run at idle. Disconnect the vacuum hoses from the EGR solenoid valve.
  2. Apply vacuum to the EGR valve with a vacuum pump. The engine should run rough or stall.
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