klaus_neumann73

XC40 NOx Sensor Cable Issue

Hi, my 2019 Volvo XC40 hybrid is showing a check engine light. I've got 205508 km on the clock. The error memory mentions a NOx sensor issue, and I think I can smell exhaust fumes. Could a defective cable or plug be the culprit?

A 2019 Volvo XC40 hybrid with 205,508 km displayed a check engine light, indicating a NOx sensor issue, and there was a noticeable smell of exhaust fumes. The problem was suspected to be related to a defective cable or plug. After taking the vehicle to a workshop, it was confirmed that the issue was indeed a defective NOx sensor cable, which was then repaired.

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4 comment(s)

Hey, I had a similar problem with my XC40. Check engine light and all. I remember reading something about NOx sensors and exhaust systems then.

Interesting. Do you remember what the issue was and what was done to fix it?

Honestly, I don't remember the exact details. I just took it to the workshop and they sorted it out. It could be your sensor's cable too.

Thanks, I appreciate the advice. I'll take it to the workshop. Turns out it was a defective NOx sensor cable. Cost me 95€ to fix.

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VOLVO

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XC40