Secondary Air Injection Combination Valve, Checking

Secondary Air Injection Combination Valve, Checking

Procedure

- Disconnect the secondary air hose - arrow - and connect the assisting hose to the hose leading to the secondary air combination valve.






- Blow lightly into the assisting hose by mouth, do not use compressed air.

• Secondary Air Injection (AIR) combination valve must be closed, it must not be possible to flush.

- Blow more strongly into assisting hose by mouth, do not use compressed air.

• The AIR combination valve must open, it must be possible to flush.

- If the switch point cannot be detected, replace AIR combination valve. Refer to => [ Combination Valve ] Combination Valve.