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HOMESERVICE MANUALSMAZDA1999626 ES, 2.5 D, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 188 (FUEL SYSTEM)FUEL INJECTOR REMOVAL/INSTALLATIONPLASTIC FUEL HOSE INSTALLATION NOTE
1999 Mazda 626 ES, 2.5 D, Standard

Plastic Fuel Hose Installation Note

1999 Mazda 626 ES, 2.5 D, StandardSECTION Plastic Fuel Hose Installation Note
WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Inspect the plastic fuel hose and fuel distributor sealing surface for damage and deformation, and replace as necessary.
    • If the quick release connector O-ring is damaged or has slipped, replace the plastic fuel hose.
  2. Apply clean engine oil to the O-rings.
  3. Connect the plastic fuel hose by twisting it onto the fuel distributor until the garter spring at the plastic fuel hose is over the flared end of the fuel distributor.
    Fig 1: Connecting Plastic Fuel Hose And Fuel Distributor Sealing Surface
    G00991572Courtesy of MAZDA MOTORS CORP.
  4. Lightly pull and push the quick release connector by hand and verify that it is installed securely.
    Fig 2: Inspecting Quick Release Connector Installation
    G00991573Courtesy of MAZDA MOTORS CORP.
  5. Install the clip to the quick release connector.
    Fig 3: Identifying Correct Method Of Clip Installation Over Quick Release Connector
    G00991574Courtesy of MAZDA MOTORS CORP.
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.