HD23 - Check Vacuum In Evaporative System

- Check for blockage/restrictions or cut hoses between engine vacuum port and carbon canister.

- Check for blockage in fuel tank vent system.

- Is there a fault indicated?

YES -- REPLACE damaged vacuum hoses, or REMOVE blockage/restrictions. Rerun quick test. Diagnostic Subroutines (DSR) - Extracting Codes

NO -- GO to HD24. HD24 - Check Canister Purge Solenoid (CANP)