henryeule26

Seat Altea Diesel Engine Power Loss

My 2006 Seat Altea diesel is throwing up a warning light. Getting reduced engine power, smoke when I accelerate, and a strong exhaust smell too. Seems like the diesel particulate filter exhaust pressure is too low. Any ideas?

4 comment(s)

I had a similar issue with my Altea. Could be the DPF needing regeneration. Have you checked the exhaust system for leaks? A leak can cause low pressure readings.

DPF regeneration? How does that work exactly, and what should I be looking for in the exhaust system?

DPF regeneration is basically the car burning off soot in the particulate filter. If the pressure's too low, it might not be doing it properly. Regarding the exhaust system, check for any cracks or loose connections, especially around the particulate filter and the pressure sensor. Honestly, might be worth getting it checked professionally. I ended up going to a workshop myself.

Turns out it was the exhaust back pressure sensor. Cost me 245€ to get it sorted.

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