Checking Evaporative Emission System

Tests 1 - 4:

Tests 5 - 6:

SYMPTOM
CHECKING EVAPORATIVE EMISSION OPERATION WITH NO DTC'S

POSSIBLE CAUSES
- EVAP canister
- EVAP purge hose (canister to fuel tank)
- EVAP purge hose (solenoid to canister)
- EVAP purge solenoid vacuum supply
- EVAP purge solenoid (leaky/stuck open)
- EVAP purge solenoid (stuck closed)