Evaporative Emissions System: Testing and Inspection

Test Condition:
Engine at operating temperature. Run engine at idle speed.

Functional Diagram of Fuel Evaporation System:

2 Throttle valve housing
36a Thermo-vacuum valve 50°C
50 Fuel tank
51 Vent valve
52 Charcoal canister
52a Hose connector in wheel housing
53 Purge valve

sw black
vi purple
ws white

Test Procedure: