PCSV To Intake Manifold Line Inspection
- Ignition "OFF"
- Disconnect the hose leading from the PCSV to the intake manifold at PCSV
- Using a vacuum pump, apply specified vacuum(Approx. 15 in, Hg) to the manifold side of the valve and verify PCSV holds vacuum.
- Ignition "ON" & Engine "OFF"
- Install scantool and select "EVAP PURGE VALVE" on the Actuation Test mode
- Activates "EVAP PURGE VALVE" by pressing "STRT(F1)" key
- Verify PCSV release vacuum while valve is activating(should hear a faint click from PCSV)
- Repeat this procedure 4 or 5 times to ensure PCSV reliability.
- Is PCSV working properly?
YES
- Go to CANISTER CLOSING VALVE (CCV) LINE INSPECTION procedure
NO
- Verify arrow on PCSV is pointing towards intake manifold. If it is not, reverse installation. Reinstall as necessary.
- If OK, check for cracks or damage in hose connecting PCSV and intake manifold. Repair or replace as necessary.
- If OK, test with a new PCSV and check for proper operation. If problem is corrected, replace PCSV and go to VERIFICATION OF VEHICLE REPAIR procedure