EGR Solenoid Valve
- Disconnect vacuum hoses. Blow air through vacuum hose (vacuum side). Ensure air does not flow. Disconnect EGR solenoid valve (vacuum side) electrical connector. Apply 12 volts and a ground to solenoid valve (vacuum side) terminals. See Fig 1
. Blow air through vacuum hose and ensure air flows.
- Blow air through vacuum hose (vent side). Ensure air flows. Disconnect EGR solenoid valve (vent side) electrical connector. Apply 12 volts and a ground to solenoid valve (vent side) terminals. See Fig 1
. Blow air through vacuum hose and ensure air does not flow. Replace solenoid valves as necessary.
Courtesy of MAZDA MOTORS CORP.