Accord L4-1955cc 2.0L SOHC 2-bbl (1986)
Air Control Valve: Testing and Inspection
Air Control Valve B
1.
Disconnect upper hose from air control valve B and connect vacuum pump/gauge to valve.
2.
Disconnect lower hose from valve and connect vacuum pump/gauge to valve, then apply vacuum to valve. Vacuum should hold.
3.
Apply vacuum to valve through upper port. Vacuum should release at lower hose.
4.
If valve does not perform properly, replace it.
