Fig. 29: Identifying EGR Valve & PCM Wiring Harness-Side Connector
Courtesy of MAZDA MOTORS CORP.
POSITIVE CRANKCASE VENTILATION (PCV) VALVE INSPECTION [LF]
1. Remove the intake manifold. (See
INTAKE-AIR SYSTEM REMOVAL/INSTALLATION [LF]
.)
2. Remove the PCV valve.
3. Verify that there is no airflow when pressure is applied to port A.
If there is airflow, replace the PCV valve.
4. Verify that there is airflow when vacuum is applied to port A.
2007 Mazda MX-5 Miata Sport
2007 ENGINE PERFORMANCE Emission System - MX-5 Miata
Microsoft
Thursday, July 09, 2009 2:38:04 PM
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