Evaporative Emission (EVAP) System Cleaning

TOOLS REQUIRED
J 41413 EVAP Pressure/Purge Diagnostic Station

INSPECTION PROCEDURE

NOTE: Refer to Clean, Dry, Low Pressure Gas Source Notice in Service Precautions.

IMPORTANT: Do not perform this procedure unless instructed by an EVAP diagnostic.

1. Turn OFF the ignition.
2. Remove the EVAP canister purge valve.
3. Lightly tap the EVAP canister purge valve on a clean hard surface.
4. Inspect for carbon particles exiting either of the vacuum ports.
^ If no carbon particles are found, install the EVAP canister purge valve and continue with the EVAP cleaning procedure.
^ If carbon particles are found during the inspection procedure, continue with the EVAP cleaning procedure.
^ If you were instructed to replace the EVAP canister purge valve, and no carbon particles are found, return to the EVAP diagnostic procedure. Do not perform the EVAP cleaning procedure.