Anti-AFTERBURN Solenoid

Remove air filter from anti-afterburn valve solenoid and connect a suitable tube to nipple as shown. Disconnect vacuum tube from solenoid valve as indicated. Blow through tube. Air should come out opposite port of solenoid. See Fig 2.

Fig 1: Schematic of Mazda RX-7 Deceleration System
Courtesy of MAZDA MOTORS CORP.

Fig 2: Checking Anti-Afterburn Solenoid
Courtesy of MAZDA MOTORS CORP.
Detach coupler from relief solenoid valve and connect battery power to terminals on valve. Blow through tube again and note that air passes out of side port as shown. See Fig 2.