richardwolf9

Veracruz rough running exhaust leak

My 2007 Hyundai Veracruz (gasoline engine) has a check engine light and runs rough at 168900 km. I've also noticed exhaust leaking with a strong odor. I suspect a lambda sensor issue in the exhaust treatment system.

A 2007 Hyundai Veracruz with 168,900 km is experiencing rough running and an exhaust leak with a strong odor, accompanied by a check engine light. The initial suspicion is a defective lambda sensor in the exhaust treatment system. After further investigation, it is confirmed that the lambda sensor was indeed the cause of the problem, leading to its replacement.

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4 comment(s)

I own a Veracruz too, and I had something similar last year. Engine light was on, and it felt like I was driving a tractor – very rough. Could it be the particulate filter or the EGR valve? Have you checked those?

Did you also have exhaust leakage or a noticeable odor? I'm wondering if it's more than just the lambda sensor.

Now that you mention it, yes, I recall a faint smell, but no visible leaks. It was like something wasn't quite right. Honestly, with those symptoms, a workshop diagnosis might be best. They can check the NOx sensors, too.

The lambda sensor was indeed defective, causing the symptoms. The repair cost was 375€.

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HYUNDAI

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VERACRUZ