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Home › Kia › 2011 › Rio Base › Repair and Diagnosis › Engine Mechanical › Auxiliary Emission Control Systems › Evaporative Emission Control System › Repair Procedures › Inspection

Repair Procedures: Inspection

  1. Disconnect the vacuum hose from the throttle body, and connect a vacuum pump to the vacuum hose.
  2. Check the following points when the engine is cold [engine coolant temperature 60°C (140°F) or below] and when it is warm [engine coolant temperature 80°C (176°F) or higher].

    WHEN ENGINE IS COLD 

    ENGINE OPERATING CONDITION REFERENCE

    Engine operating condition Applied vacuum Result
    Idling 50 kPa (7.3 psi) Vacuum is held
    3, 000 rpm

    WHEN ENGINE IS WARM 

    ENGINE OPERATING CONDITION REFERENCE

    Engine operating condition Applied vacuum Result
    Idling 50 kPa (7.3 psi) Vacuum is held
    Within 3 minutes after engine start at 3, 000 rpm Try to apply vacuum Vacuum is released
    After 3 minutes have passed after engine start at 3, 000 rpm 50 kPa (7.3 psi) Vacuum will be held momentarily, after which, it will be released
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