Corolla FX L4-1587cc 1.6L DOHC (4A-GE) (1987)
![background image](/toyota/corolla_fx/l4-1587cc_1.6l_dohc_(4a-ge)/Page-414001.png)
Vacuum Delay Valve: Testing and Inspection
1.
Ensure that air flows freely toward vacuum source side of valve and with resistance in reverse direction.
2.
If valve fails to perform properly, replace valve.