Airflow Inspection

WARNING: This page is about a different car, the 2004 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

NOTE:

Perform the following procedure only when directed.

Disconnect the negative battery cable.
Remove the EGR boost sensor solenoid valve.
Inspect airflow between each port under the following conditions.

Fig 1: EGR Boost Sensor Solenoid Valve Continuity & Airflow Table [AJ]
Courtesy of MAZDA MOTORS CORP.
- If not as specified, replace the EGR boost sensor solenoid valve.
- If as specified, carry out the "Circuit Open/ Short Inspection".

Fig 2: Identifying EGR Boost Sensor Solenoid Valve Ports & Connector Terminals

Courtesy of MAZDA MOTORS CORP.