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Home >> Mazda >> 2018 >> 6 Touring >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System (VIN M) >> Before Service Precaution >> Fuel Line Safety Procedure

Fuel Line Safety Procedure

  1. Disconnect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  2. Remove the fuel-filler cap to release the pressure inside the fuel tank.
  3. Remove the fuel pump relay.
    Fig 1: Fuel Pump Relay
    G12230234Courtesy of MAZDA MOTORS CORP.
  4. Disconnect the high pressure fuel pump connector.
  5. Connect the negative battery terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  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 terminal. (See NEGATIVE BATTERY TERMINAL DISCONNECTION/CONNECTION .)
  10. Install the fuel pump relay.
  11. Connect the high pressure fuel pump connector.
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