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tom_nacht53

Hyundai i10 engine power loss

Having trouble with my 2008 Hyundai i10 diesel. Engine power is noticeably reduced, and the error memory read points to a defective engine control unit. Could it be a relay issue? Anyone experienced something similar?

Summary of the thread

A 2008 Hyundai i10 diesel is experiencing reduced engine power, with an error message indicating a defective engine control unit (ECU). The issue might be related to a faulty main relay, which can affect the ECU's performance. A similar problem was resolved by replacing the main relay, and professional diagnosis confirmed this as the cause, leading to a successful repair.

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4 comment(s)

luise_wolf13

I had something similar with my i10, although it was a while back. Reduced engine power definitely sounds familiar. Did the error message specifically mention the ECU, or just a generic engine fault?

tom_nacht53 (community.author)

The error message was pretty specific, mentioning the engine control unit. I read somewhere that a faulty main relay can sometimes cause issues with the ECU. Did your problem also point to the ECU?

luise_wolf13

Yes, mine ended up being the ECU too. I tried a few things, but in the end, I had to take it to a workshop. They sorted it out pretty quickly. If the error message is specific, I'd recommend getting it checked out by a professional.

tom_nacht53 (community.author)

Thanks a lot for sharing your experience! I think I'll take your advice and bring it to a workshop to get it properly diagnosed. Just got it back from the workshop. You were right! It was the main relay that was faulty, cost me 120€. Thanks again for your help!

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HYUNDAI

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I10