Diagnostic Test

1) EVAP SYSTEM INSPECTION
Inspect the Evap System for any of the following conditions:

- Holes or cracks

- Loose seal points

- Damaged or missing components

- Incorrect routing of hoses and tubes

- Loose or missing fuel cap

- Damaged or missing fuel cap seal

- Improper installation of the fuel cap

- Damaged locking tabs on the fuel cap and/or filler tube

- Damaged seal points on the fuel cap and/or filler tube

Were any problems found?

Yes
1. Repair as necessary.
2. Perform PCM VERIFICATION TEST .
No
1. Go to 2).
2) EVAP PURGE SOLENOID
Disconnect the purge lines at the Evap Purge Solenoid.

Using a hand vacuum pump, apply 10 in. Hg of vacuum to the "CAN" side of the Evap Purge Solenoid.

NOTE: The solenoid should hold vacuum for a minimum of 15 seconds.

Turn the ignition on.

With the scan tool, actuate the Evap Purge Solenoid to the ON position.

NOTE: The vacuum should drop when the solenoid is actuated.

Does the solenoid function as described above?

Yes
1. Go to 3).
No
1. Replace the Evap Purge Solenoid.
2. Perform PCM VERIFICATION TEST .
3) EVAP PURGE HOSE/TUBE OBSTRUCTION
Inspect the Evap Purge hose/tube between the Evap Purge Solenoid and the Fuel Tank and between the Fuel Tank and the Evap Purge Canister for proper routing and installation.

Make sure the hoses and tubes are not damaged, kinked, or blocked.

Were any problems found?

Yes
1. Repair or replace as necessary.
2. Perform PCM VERIFICATION TEST .
No
1. Go to 4).
4) CHECKING THE EVAPORATIVE SYSTEM FOR LEAKS
Perform the diagnostic procedure for *CHECKING THE EVAPORATIVE SYSTEM FOR LEAKS .

Were any problems found?

Yes
1. Repair as necessary in accordance with the Service Information.
2. Perform PCM VERIFICATION TEST .
No
1. Refer to the *CHECKING FOR AN INTERMITTENT CONDITION Diagnostic Procedure.