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Home >> Hyundai >> 2017 >> Sonata Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 42 (Engine Control System Diagnosis - 2.0L (2 Of 3) (Except HEV)) >> DTC P0442: Evaporative Emission System-Leak Detected (Small Leak) >> Component Inspection >> Seal Inspection on the Fuel Pump & Vent Valve

Seal Inspection on the Fuel Pump & Vent Valve

WARNING: This page is about a different variant/trim than selected.

■ Visual Inspection 

  1. Check that the fuel pump is tight and properly installed. Check that Vent Valve flange is secure (Fig 1)
  2. Check that the seal, installed on fuel pump and vent valve, is not missing, deformed or torn out (Fig 2)
  3. Check that the flange contacting seal with fuel pump and vent valve, is not deformed or torn out (Fig 3)
    Fig 1: Checking Vent Valve Flange
    G11991785Courtesy of HYUNDAI MOTOR AMERICA
    Fig 2: Checking Fuel Pump And Vent Valve Seal For Missing, Deformed Or Torn Out
    G11991786Courtesy of HYUNDAI MOTOR AMERICA
    Fig 3: Checking Flange Contacting Seal With Fuel Pump And Vent Valve For Deformed Or Torn Out
    G11991787Courtesy of HYUNDAI MOTOR AMERICA
  4. Has a problem been found?

    YES 

    NO