INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0]

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1.  Remove the purge solenoid valve from the intake manifold, then install the vacuum gauge to the intake manifold. (See PURGE SOLENOID VALVE REMOVAL/INSTALLATION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)

2.  Verify that the intake air hoses are installed securely.

3.  Warm up the engine.

4.  Measure the intake manifold vacuum while idling (no load) using the vacuum gauge.

•  If not within the specification, perform the following inspections.
―  Compression pressure (See COMPRESSION INSPECTION [SKYACTIV-G 1.5, SKYACTIV-G 2.0].)
―  Check valve (in the vacuum line) (See VACUUM LINE INSPECTION.)
―  Air suction
•  Installation areas of each vacuum hose
•  Evaporative hose connecting part
•  Installation area of throttle body
•  Installation area of fuel injector
•  Installation area of PCV valve
•  Installation area of intake manifold
Standard
Approx. –60.0 kPa {–450.0 mmHg, –17.7 inHg}