patrickfrost9
Hyundai i10 Diesel Rough Engine Faulty Injector
Summary of the thread
A 2012 Hyundai i10 diesel with 142,000 km is experiencing a rough-running engine and a check engine light, with an error message indicating "reset quantity drift compensation." The issue is suspected to be related to airflow sensors or a faulty fuel injector. A similar case confirmed that defective injectors were the cause, and replacing them resolved the problem. Following this advice, the faulty injector was replaced, and the engine performance improved significantly.
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4 comment(s)
patrickfrost9 (community.author)
Interesting. So, if you had the same issue, was it definitely the injectors? Did you try anything else before replacing them?
alexandersturm1
Yes, the workshop confirmed that the injector was defective. Given the error message you're seeing and the symptoms, I would recommend having a mechanic inspect the injectors. My mechanic replaced all of them, did the reset procedure, and everything ran fine afterwards.
patrickfrost9 (community.author)
Thanks for the advice. I took it to a local garage, and, as you suggested, it turned out to be a faulty injector. Repair cost me 515€. Runs like a dream now!
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HYUNDAI
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I10
alexandersturm1
I have a Hyundai i10, too. Your symptoms sound quite similar to what I experienced when my injectors started failing. It was like the engine was hesitating, like a clogged artery in the car, if that makes sense.