Initial Inspection and Diagnostic Overview
1. Verify that the concern is with the Evaporative Emission (EVAP) system.2. Inspect to determine if any of the following concerns apply:
VISUAL INSPECTION CHART
Mechanical
^ Incorrectly installed fuel filler cap
^ Loose or disconnected component
^ Damaged evaporative emission test port
^ Damaged EVAP canister vent solenoid
^ Damaged evaporative emissions canister
^ Damaged or pinched evaporative emissions lines or hoses
3. If the concern remains after the inspection, determine the symptom and proceed to the Symptom Chart. Symptom Related Diagnostic Procedures