Justy Hatchback 2WD L3-1.2L SOHC (Carb) (1989)
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Evaporative Check Valve: Testing and Inspection
Two-Way Valve
1.
Blow through the canister side of the valve. Air should pass with slight resistance. If not replace valve.
2.
Blow through the fuel tank side of the valve. Air should pass with slight resistance. If not replace valve.
3.
Visually inspect the valve and replace if cracks or other problems are detected.