1. Verify that the intake air hoses are installed securely.
2. Disconnect the vacuum hose connecting the intake manifold and the purge solenoid valve (purge solenoid valve side) and install the vacuum gauge.
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 [LF].)
Air intake
Each hose installation part
Throttle body installation part
Fuel injector installation part
PCV valve installation part
Dynamic chamber installation port
Intake manifold installation part
Standard
–60 kPa {–450 mmHg, –17.7 inHg} or more