Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Hyundai Elantra LimitedFACTORY OEM SERVICE PROCEDURE
Repair Procedures: Removal
- Release the residual pressure in fuel line.
(Refer to Fuel Delivery System - "RELEASE RESIDUAL PRESSURE IN FUEL LINE ")
CAUTION:- When removing the fuel pump relay, a Diagnostic Trouble Code (DTC) may occur.
- Delete the code with the diagnostic tool after completion of "Release Residual Pressure in Fuel Line" work.
- Turn the ignition switch OFF and disconnect the battery negative (-) cable.
- Remove the delivery pipe & injector assembly.
(Refer to Fuel Delivery System - "DELIVERY PIPE ")
- Release the fixing clip (A), and then separate the injector from the delivery pipe.
Factory Service Tools
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.