leonielight69
Sonata Hybrid engine mount issue
Summary of the thread
A 2015 Hyundai Sonata Hybrid with 164,153 km is experiencing a check engine light and uneven idling, with a code indicating a defective engine mount. The issue is suspected to be related to a bad cable or plug connection, but further inspection reveals the engine mount itself is likely the problem. The suggested solution is to have the engine mount inspected and replaced at a workshop, which has been confirmed as necessary, with a repair cost quoted.
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4 comment(s)
leonielight69 (community.author)
Wow, really? So it was the engine mount itself, not just a loose connection or something? Did you notice any specific symptoms besides the error code and vibration? And was it obvious when you found the failed mount, or did it take some serious poking around to diagnose?
michaelmoon73
Yeah, it was definitely the mount itself. The vibration was the biggest clue, especially at idle. It wasn't super obvious at first glance; the rubber mount looked okay, but once I got a pry bar in there, I could see it was completely shot. My advice? Get it up on a lift and give those mounts a good inspection. If you're getting the same error code, it's likely the mount. I would go to the workshop, so they can take care of it.
leonielight69 (community.author)
Thanks for the insight! I think I'll take your advice and bring it to a workshop. They confirmed your suspicion: The cable or plug connection of the component defective. The mount is indeed defective and they quoted me 95€ for the repair. Seems like a fair price. Thanks again for the help!
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HYUNDAI
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SONATA
michaelmoon73
Interesting. I had a similar issue with my Sonata – not sure what year yours is, but the symptoms sound identical. It drove me nuts! I spent ages chasing down vibration issues, checking everything from the spark plugs to the exhaust. Turns out it was a failed engine mount. The error memory, like in your case, was also storing a defective engine mount error.