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Home >> Hyundai >> 2021 >> Elantra N Line, Standard Trans >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 24 (Fuel Delivery System - 2.0L (Except HEV)) >> Release Residual Pressure In Fuel Line

Release Residual Pressure In Fuel Line

WARNING: This page is about a different variant/trim than selected.
CAUTION:
  • 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).
    G14607663Courtesy of HYUNDAI MOTOR AMERICA
    CAUTION:
    • When removing the fuel pump fuse, a Diagnostic Trouble Code (DTC) may occur. Delete the code with the diagnostic tool after completion of "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 fuse (A).
  6. Connect the battery (-) cable.
  7. Delete the diagnostic trouble code (DTC) related the fuel pump relay with the diagnostic tool.
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