Fig. 3: Intake Air System Diagram
Courtesy of MAZDA MOTORS CORP.
INTAKE MANIFOLD VACUUM INSPECTION [LF]
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
INTAKE AIR SYSTEM REMOVAL/INSTALLATION [LF]
WARNING:
A hot engine and intake air system can cause severe burns. Turn off
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Intake Air System - MX-5 Miata
Microsoft
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