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Seat Arona Diesel Smoke and DPF Issues Resolved

My 2020 Seat Arona diesel is throwing a warning light, belching out smoke when I accelerate, and the DPF won't regenerate. Vehicle diagnostics is saying it's the exhaust back pressure sensor. Anyone else had this problem

A 2020 Seat Arona diesel was experiencing a warning light, excessive smoke during acceleration, and a Diesel Particulate Filter (DPF) that wouldn't regenerate. Diagnostics identified the exhaust back pressure sensor as the issue. The sensor, crucial for monitoring exhaust pressure and managing the DPF, was replaced, resolving the problems and restoring the car's performance.

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4 comment(s)

Sounds like a faulty exhaust back pressure sensor to me. I had a similar issue with my Arona, though mine wasn't smoking as much. The warning light and DPF issues are classic symptoms. Have you run any vehicle diagnostics to confirm

Yeah, the vehicle diagnostics pointed to the exhaust back pressure sensor. What exactly is that sensor doing anyway And is it something I could've potentially fixed myself

The exhaust back pressure sensor monitors the pressure in the exhaust system. This is important for emission control, specifically for managing the DPF (Diesel Particulate Filter). It tells the engine control unit (ECU) how much soot has built up. As for fixing it yourself, it depends on your car maintenance skills. Replacing the sensor itself isn't too difficult, but you'll need the right tools and a way to clear the error codes. Honestly, for the sake of proper emission control, I'd recommend taking it to a workshop

Just wanted to say thanks for the help. It was the exhaust back pressure sensor. Replacement cost 245€, and the car's running great again. No more smoke, and the DPF is regenerating fine now. Cheers

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SEAT

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ARONA