Evaporative Emissions System: Testing and Inspection

Test 1 - 3:

Test 4 - 6:

SYMPTOM
CHECKING THE EVAP SYSTEM

POSSIBLE CAUSES
- EVAP purge solenoid vacuum hose
- EVAP purge solenoid leaking
- EVAP purge solenoid restriction
- EVAP canister vacuum feed hose
- EVAP canister vent valve hose
- EVAP canister output hose between the canister and the fuel tank