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Home >> Subaru >> 1984 >> Brat Standard >> Repair and Diagnosis >> Engine Performance >> System >> Air Injection System >> Component Testing >> Check Valve II
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Check Valve II

  1. With check valve II removed, apply compressed air to carburetor side of valve. Confirm that there is no air flow from the carburetor side of the valve to the distributor side. If air flow is noted, replace check valve.
  2. Apply air to distributor side of valve and confirm that there is air flow to carburetor side. Valve is normal if air flows through.
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