L-Series Wagon 4WD F4-1781cc 1.8L SOHC (Carb) (1987)
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Evaporative Check Valve: Description and Operation
Fig. 33 Two way valve.
This valve controls fuel vapor flow between charcoal canister and fuel tank and is operated by fuel tank pressure.
Subaru Workshop Service and Repair Manuals
Evaporative Emission Control Canister >
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