Install vacuum gauge to PCSV after disconnecting PCSV vacuum hose.
Inspect vacuum leakage by using vacuum gauge.
■ Specification : Vacuum state maintains at operating vacuum gauge.
Does vacuum gauge maintain vacuum value?
![]() | ▶ Go to "PCSV actuation test" as below. |
![]() | ▶ Replace the PCSV. |
Perform "canister purge valve" actuation test after engine warming up.
■ Specification : Vacuum state released by actuation test.
Is vacuum state released by actuation test?
![]() | ▶ Go to "Fuel supply state inspection" procedure. ▶ Go to "Fuel pump circuit inspection" procedure. |
![]() | ▶ Inspect fuel leakage from PCSV and open stuck of PCSV ▶ Replace the PCSV as necessary after checking PCSV component. |