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Home >> Mazda >> 2018 >> CX-3 Grand Touring, AWD >> Repair and Diagnosis >> Engine Performance >> Fuel Delivery >> Fuel System >> Before Service Precaution >> Fuel Line Safety Procedure
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Fuel Line Safety Procedure

  1. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE 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
    G11436892Courtesy of MAZDA
  4. Disconnect the high pressure fuel pump connector.
  5. Connect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  6. Start the engine.
  7. After engine stall, crank the engine 2 to 3 times repeatedly and verify that the engine idling condition is not maintained. (to relieve pressure in fuel pipe)
  8. Switch the ignition to off.
  9. Disconnect the negative battery cable. (See NEGATIVE BATTERY CABLE DISCONNECTION/CONNECTION .)
  10. Install the fuel pump relay.
  11. Connect the high pressure fuel pump connector.
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