INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G 2.0]
2016 – MX-5 – Engine
INTAKE MANIFOLD VACUUM INSPECTION [SKYACTIV-G 2.0]
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 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.
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If not within the specification, perform the following inspections.
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Compression pressure (See COMPRESSION INSPECTION [SKYACTIV-G 2.0].)
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Check valve (in the vacuum line) (See VACUUM LINE INSPECTION.)
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Air suction
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Installation areas of each vacuum hose
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Evaporative hose connecting part
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Installation area of throttle body
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Installation area of fuel injector
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Installation area of PCV valve
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Installation area of intake manifold
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Standard
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Approx. –60.0 kPa {–450.0 mmHg, –17.7 inHg}