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Home >> Subaru >> 2015 >> WRX STI >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Fuel Injection System (STI) >> Pressure Regulator & Damper Assembly >> Inspection
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Pressure Regulator & Damper Assembly: Inspection

  1. Check that the pressure regulator and damper assembly has no deformation, cracks or other damages.
  2. Check that the vacuum hose, fuel return hose and fuel hose have no cracks, damage or loose part.
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