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Home >> Subaru >> 1988 >> Justy DL >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> System Testing

System Testing

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CAUTION: DO NOT  inhale fuel vapor when blowing into fuel evaporation hoses.

Remove fuel filler cap. Disconnect vent hose between charcoal canister and fuel tank. Blow air toward canister. Check that air flows freely into canister. Blow air toward fuel tank. Check that air flows into tank with a slight resistance from 2-way valve.