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Home >> Mitsubishi >> 2003 >> Lancer Evolution >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Emission Systems & Sub-Systems >> Exhaust Gas RECIRCULATION >> Vacuum Control Valve Check
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Vacuum Control Valve Check

  1. Disconnect White-striped vacuum hose from vacuum control valve and plug hose end. Connect hand vacuum pump to vacuum control valve port from which hose was removed.
  2. Start and idle engine. Check vacuum. With engine idling, vacuum should be between 6.3-7.1 in. Hg (21.3-24.0 kPa).
Fig 1: Testing EGR System Vacuum Control Valve
G00005820Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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