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Home >> Nissan-Datsun >> 1985 >> Sentra SE, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Evaporation System >> Component Testing >> Vent Switching Valve

Vent Switching Valve

  1. With engine off, remove vent hose from carburetor float bowl and blow air into hose. Check that air passes freely through hose into canister.
  2. With engine running, apply vacuum to vent hose and check that air flow is blocked.
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