Idle COMPENSATOR

Remove air cleaner cover and filter element. When bi-metal temperature is below 149°F (65°C), valve should be closed and no air leakage should exist when vacuum is applied to tube. Bi-metal valve should be open when temperature exceeds 159°F (69°C). If valve does not function as described, replace valve.

Fig 1: Mazda RX7 Altitude Compensator

Courtesy of MAZDA MOTORS CORP.

Fig 2: Mazda RX7 Throttle Opener

Courtesy of MAZDA MOTORS CORP.