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Home › Mitsubishi › 2010 › Lancer GTS, 4D Hatchback, Automatic CVT › Repair and Diagnosis › Engine Mechanical › Engine Intake System And Exhaust System - Lancer SPORTBACK › On-Vehicle Service <2.0L Engine> › Intake Charge Pressure Control System Check

Intake Charge Pressure Control System Check

  1. Disconnect the hose (black) from the turbocharger wastegate solenoid and connect a three way joint between the hose and the solenoid valve.
  2. Connect a hand pump (pressurized type) to the three-way joint.
    Fig 1: Connecting Hand Pump (Pressurized Type) To Three-Way Joint
    G05903565Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  3. Use the turbocharger wastegate actuator control boost nipple of air outlet fitting to disconnect the boost hose. Plug this nipple.
    CAUTION: Do not apply the pressure of 94 kPa or more to prevent the diaphragm damage.
    Fig 2: Locating Turbocharger Wastegate Actuator Control Boost Nipple
    G05903566Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
  4. Applying a pressure with the hand pump, check tightness both when the hose end is closed and when it is open.
    HOSE CHART

    Engine state Hose end Normal state
    Stop (Ignition switch: ON position) Opened Pressure leaks.
    Closed Pressure is maintained.
    Rapid racing Pressure leaks.
  5. Turn the ignition switch to "LOCK" (OFF) position.
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