Hyundai Elantra: Release Residual Pressure in Fuel Line - Repair procedures - Fuel Delivery System - Fuel System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra: 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 rear seat cushion. (Refer to seat in BD group.)
3.
Remove the service cover (A).

4.
Disconnect the fuel pump connector (A).

5.
Connect the battery (-) cable.
6.
Start the engine and let idle, and then turn the ignition switch OFF after the engine has stopped on its own.