Hyundai Elantra MD/UD: Release Residual Pressure in Fuel Line - Repair procedures - Fuel Delivery System - Fuel System - Hyundai Elantra MD 2010-2015 Service manualHyundai Elantra MD/UD: 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.

Fuel Pressure Test
1. Release the residual pressure in fuel line (Refer to “Release Residual Pressure in Fuel Line” in this group). ...