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marioschubert1

Peugeot 2008 DPF Exhaust Pressure

Experiencing warning light and power reduction with my 2020 Peugeot 2008 diesel, around 128886 km. Error code indicates low DPF exhaust pressure. Smoke from exhaust and strong smell. Defective exhaust back pressure sensor maybe? Similar experiences?

4 comment(s)

amelieschwarz38

I also own a Peugeot 2008 diesel, and your symptoms sound very familiar. I had similar problems a while back - warning light, reduced power. The low DPF exhaust pressure is definitely not something to ignore. Did the smoke appear suddenly, or was it gradual?

marioschubert1 (Author)

The smoke seemed to appear somewhat gradually, but it has become more noticeable recently. Should I try forcing a DPF regeneration or would that just mask the underlying issue? Any unusual noises along with the other symptoms?

amelieschwarz38

In my case, the gradual onset of smoke was a key indicator. Trying a forced DPF regeneration might provide temporary relief, but it's unlikely to resolve the root cause, especially with the low pressure reading. I didn't experience any unusual noises, so that might indicate a different issue. Given the symptoms and error code, I'd strongly advise consulting a qualified mechanic. Probably best to get it checked professionally.

marioschubert1 (Author)

Took your suggestion and brought it to the workshop. It turned out to be a defective exhaust back pressure sensor, just as suspected. The repair cost was around 245€, which was a relief. Appreciate you sharing your experience; it helped me approach the situation with a clearer understanding.

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