Hyundai Elantra (Kia Rio) Ignition Coil Replacement

Learn how to replace ignition coils on Hyundai and Kia vehicles. Replacing the ignition coils on Hyundai and Kia vehicles equipped with four-cylinder engines is simple and can be completed on your driveway.

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Even though not required, we recommend replacing all coils simultaneously, even if only one of them is the problem. It is possible to replace only one coil; the problem with that approach is that the older ignition coils may fail in the next few months. 

Symptoms

• Engine Misfire
• Fault Codes: P0301 P0300 P0302 P0300 P0303 P0304
• Poor Fuel Economy
• Backfiring
• Check Engine Light On
• Lack of Power
• Engine Shaking
• Engine Rough

These symptoms may also trigger the check engine light and fault codes such as P0351, P2311, P0352, P0350, P0358, and P2302. The most common symptom of a failing ignition coil is an engine misfire and engine shaking, especially under load, idle, or during acceleration. 

What you will need

• Hyundai Ignition Coils
• 10mm socket
• Ratchet
• Flathead screwdriver

Procedure

1. Open the hood of your Kia / Hyundai.
2. Disconnect the battery negative terminal.
3. Remove the engine cover. It is held in place with four 10 mm bolts.
4. Remove the white harness from the top of the coils.
5. Remove 10 mm bolts that hold the coils in place.
6. Disconnect the electrical connectors from the ignition coils.
7. Pull out the old ignition coils.
8. Install the new ignition coils.
9. Tighten the 10 mm bolt that holds the coil. Be careful not to over-tighten the ignition coil bolts, or you will ruin the threads.
10. Install the engine cover and connect the battery-negative terminal

Once the faulty coil has been replaced, resetting the check engine light may take a few days. Another option is to read and clear the codes from the Engine Control Unit (ECU). Owners of Hyundai and Kia models such as Verna, Gets, Spectra, Cerato, and Rio 5 will find these instructions helpful.

With YOUCANIC Full System Scanner, managing and maintaining your Kia or Hyundai vehicle becomes effortless. Whether decoding fault codes or simply resetting the check engine light, this scanner empowers you to keep your vehicle in top-notch condition easily and precisely.

For more help, follow the Diagnose Vehicle Problems Like a Pro guide. More related guides can be found by visiting the Vehicle Repair guides section.  

Frequently Asked Questions