Hyundai Tucson Owners & Service Manuals

Hyundai Tucson: Fuel Delivery System / Release Residual Pressure in Fuel Line

- Release Residual Pressure in Fuel Line

   

• There may be some residual pressure even after "Release Residual Pressure in Fuel Line" work, so cover the hose connection with a shop towel to prevent residual fuel from spilling out before disconnecting any fuel connection.

1.Turn the ignition switch OFF and disconnect the battery (-) cable.

2.Remove the fuel pump fuse (A).

   

• When removing the fuel pump relay, the Diagnostic Trouble Code (DTC) will be occurred. Therefore delete the code with the diagnostic tool after "Release Residual Pressure in Fuel Line" work.

3.Connect the battery (-) cable.

4.Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own.

5.Disconnect the battery (-) cable, and then install the fuel pump relay (A).

6.Connect the battery (-) cable.

7.Delete the Diagnostic Trouble Code (DTC) related the fuel pump relay with the diagnostic tool.

    Fuel Pressure Test
    - Fuel Pressure Test 1.Release the residual pressure in fuel line.(Refer to Fuel Delivery System - "Release Residual Pressure in Fuel Line")     • When removing the fuel pump relay ...

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