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 Fuel tank
51 Vent valve
52 Charcoal canister
52a Hose connector in wheel housing. Model 126 only
53 Purge valve

sw = black
vi = purple
ws = white

Test: