If PCSV is stuck(opened always), fuel is provided to a combustion chamber through PCSV when vehicle is driven. Therefore engine stalling is caused by rich air/fuel mixture. The purpose of inspection is checking the PCSV stuck(opened always).

3.

Perform actuation test using a scantool.

4.

Is PCSV operated by actuation test?

YES

PCSV is OK.

NO

Check related harness or Replace the PCSV