Airflow Inspection

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

NOTE:

Perform the following test only when directed.

Disconnect the negative battery cable.
Remove the EGR boost sensor solenoid valve.
Inspect airflow between each port under the following conditions.
- If not as specified, replace the EGR boost sensor solenoid valve.
- If as specified carry out the "Circuit Open/Short Inspection.".
Fig 1: Testing EGR Boost Sensor Solenoid Valve
Courtesy of MAZDA MOTORS CORP.

Fig 2: Identifying EGR Boost Sensor Solenoid Valve Terminals & Ports
Courtesy of MAZDA MOTORS CORP.