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juliuseule1

i30 Engine Starting and Shutdown Issues

I'm having issues with my 2023 Hyundai i30 gasoline model, around 97555 km. Sometimes it won't start, other times the engine shuts off while driving, and it runs rough at times. Could this be a fuse? Dashboard lights are normal, and I hear the starter motor, but it won't fire up consistently.

Summary of the thread

A 2023 Hyundai i30 is experiencing issues with starting, unexpected engine shutdowns, and rough running. The problem could be related to a fuse, as the dashboard lights are normal and the starter motor is audible. A workshop diagnosis confirmed a defective fuse in the ignition system, which was replaced, resolving the issue.

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4 comment(s)

andreasfrost1

I had a similar issue with my i30, different year though. Those symptoms – engine not starting, unexpected shutdowns, and rough running – point towards the ignition switch. Have you checked the ignition key itself for damage or wear? The transponder inside communicates with the car's immobilizer. A problem there can prevent starting or cause shutdowns.

juliuseule1 (community.author)

Thanks. The ignition key looks fine. How would the transponder cause these symptoms? I thought a faulty transponder would just prevent starting, not cause shutdowns or rough running.

andreasfrost1

You're right, a transponder issue usually prevents starting. But intermittent failures, especially with age or damage, can cause the signal to drop while driving, leading to shutdowns or rough running. It's possible, but a long shot. Best to have a workshop check the ignition switch and immobilizer system with diagnostic equipment. They can read error codes and pinpoint the cause. Could be a simple fuse, or something more.

juliuseule1 (community.author)

Thanks for the advice. I took it to a workshop. It was a defective fuse related to the ignition system. Repair cost 52€. Your insights helped guide the diagnosis.

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HYUNDAI

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I30