2014 Mazda 3 SV, Automatic TransFACTORY OEM SERVICE PROCEDURE

Fuel Line Safety Procedure

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  2. Remove the fuel-filler cap to release the pressure inside the fuel tank.
  3. Remove the fuel pump relay.
  4. Disconnect the high pressure fuel pump connector.
  5. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  6. Start the engine.
  7. After the engine stalls, crank the engine 2-3 times.
  8. Switch the ignition to off.
  9. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION [SKYACTIV-G 2.0, SKYACTIV-G 2.5] .)
  10. Install the fuel pump relay.
  11. Connect the high pressure fuel pump connector.
    Fig 1: Identifying Fuel Pump Relay
    G09782647Courtesy of MAZDA MOTORS CORP.
Factory Service Tools

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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.

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