NOx Sensor Error

My 2018 Peugeot 308 with a gasoline engine is giving me fits. The check engine light is on, and the error memory is showing something about a NOx sensor. I think I'm getting exhaust leaking, too. The cable or plug connection seems defective. Anyone else seen this nitrogen oxide nightmare?

4 comment(s)

Dude, I feel your pain! I had almost the EXACT same thing happen with my 308. Check engine light, NOx sensor error... the whole shebang. Was driving me nuts! Have you scanned the code to see the exact error message?

Yeah, I scanned it. It's definitely the NOx sensor. Did you end up replacing the sensor yourself, or did you have to take it in somewhere? And roughly how much did it ding your wallet?

I wouldn't touch it myself. I'm not exactly a mechanic, haha. I took it to a workshop. Cost me around 95€. Just get it sorted professionally; trust me, it's less hassle.

Alright, sounds like a plan. Workshop it is! Thanks for the heads-up. Really appreciate the advice; saved me a ton of stress!

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