samuelroth3

Vanette rough running and exhaust smell

Hi, I've got a 2002 Nissan Vanette with a gasoline engine that's giving me some grief. It's done 157016 km. The check engine light is on, and the engine is running rough. I've also noticed a strong exhaust smell and what sounds like an exhaust leak. Could this be a particulate filter malfunction, or maybe something with the NOx sensors? I'm thinking it might be the lambda sensor, any thoughts?

A 2002 Nissan Vanette with a gasoline engine is experiencing rough running, a strong exhaust smell, and an illuminated check engine light. The initial suspicion is a malfunction related to the particulate filter, NOx sensors, or lambda sensor. A similar case suggested checking the catalytic converter, but diagnostic codes confirmed the issue was with the lambda sensor. Replacing the defective lambda sensor resolved the problem.

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4 comment(s)

Hey, I had similar symptoms on my Vanette a while back. Engine light, rough running, the works. Did you check the catalytic converter? That can cause those problems too.

Thanks for the tip! I haven't checked the catalytic converter specifically. What were the exact symptoms you experienced, and how did you narrow it down to the catalytic converter?

My Vanette had almost identical symptoms to yours, including the exhaust smell. Eventually, the diagnostic codes pointed to a problem with the exhaust treatment, and my mechanic confirmed it was the lambda sensor. I'd suggest getting the codes read to be sure, but it sounds like a trip to the workshop is in order.

Thanks a lot for the advice! Took it to the shop and you were right, the lambda sensor was defective. Ended up costing 375€ to get it sorted. Appreciate the help!

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NISSAN

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VANETTE