2024 Mazda 3 Preferred, 4D HatchbackFACTORY OEM SERVICE PROCEDURE

Fuel Tank Pressure Sensor Removal/Installation

NOTE:
  • The fuel tank pressure sensor cannot be removed as a single unit. When replacing the fuel tank pressure sensor, replace it together with the pressure control valve as a single unit.
  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the main silencer. (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)] .)
  3. Remove the insulator (rear). (See EXHAUST SYSTEM REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)] .)
  4. Disconnect the quick release connector shown in the figure while lowering the charcoal canister (main) component. (See QUICK RELEASE CONNECTOR (EMISSION SYSTEM) REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)] .)
    G15654607Courtesy of MAZDA MOTORS CORP.
  5. Temporarily install the charcoal canister (main) bracket.
  6. Remove in the order indicated in the table.
    Fig 1: Fuel Tank Components Location With Torque Specifications
    G15654608Courtesy of MAZDA MOTORS CORP.
    COMPONENT OPERATIONS

    Component No. Refer to
    1 Fuel tank pressure sensor connector
    2 Quick release connector
    (See QUICK RELEASE CONNECTOR (FUEL SYSTEM) REMOVAL/INSTALLATION [SKYACTIV-G (WITH CYLINDER DEACTIVATION)] .)
    3 Evaporative hose
  7. Install in the reverse order of removal.
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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.