Component Inspection

Component Inspection

1. Check PCSV for leakage
(1) Ignition "OFF"
(2) Disconnect the hose leading from the PCSV to the intake manifold at PCSV.
(3) Apply a vacuum at the nipple and verify that the PCSV holds vacuum.
(4) IG "ON" and perform ACTUATION TEST for PCSV with scantool (should hear a faint click from PCSV)
(5) Vacuum should be released.
(6) Repeat this procedure 4 or 5 times to ensure PCSV reliability.
(7) Is the PCSV working properly?
YES
1) It was intermittent failure., go to "Verification of Vehicle Repair" procedure.
NO
1) Substitute with a known - good PCSV and check for proper operation.
If the problem is corrected, go to "Verification of Vehicle Repair" procedure.