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.
2018 Hyundai Ioniq Plug-In HybridFACTORY OEM SERVICE PROCEDURE
Repair Procedures: Removal
- Turn the ignition switch OFF and disconnect the battery negative (-) cable.
- Remove the air cleaner assembly
(Refer to "AIR CLEANER ")
- Disconnect the EGR control valve connector (A).
- Remove the EGR cooler pipe.
(Refer to "EGR COOLER ")
- Remove the EGR control valve (B) after removing the mounting bolt and nut (A).
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.