janaschmitz1

Fiat Sedici DPF Pressure Too Low

Hi, I have a 2011 Fiat Sedici with a diesel engine and about 204,000 km on it. Lately, I'm getting a warning light and the engine power seems reduced. I've also noticed smoke when accelerating and a strong exhaust smell. I scanned for error codes and it indicates the diesel particulate filter exhaust pressure is too low. Anyone experienced this before?

A 2011 Fiat Sedici with a diesel engine exhibited reduced engine power, smoke during acceleration, and a strong exhaust smell, with a warning light indicating low diesel particulate filter (DPF) exhaust pressure. The issue was linked to failed DPF regeneration cycles, likely caused by a defective exhaust back pressure sensor. Replacing the sensor resolved the problem.

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4 comment(s)

I encountered a similar problem on my Sedici. Does it feel like it's struggling to do DPF regeneration?

Possibly, I'm not entirely sure. Is there a way I can confirm if it's related to DPF regeneration?

In my case, the reduced power and increased smoke during acceleration were definitely linked to failed DPF regeneration cycles. The most likely cause is a defective exhaust back pressure sensor. I'd recommend going to a reliable workshop, unfortunately.

Thanks for the advice! Indeed, I took it to a workshop that confirmed the defective exhaust back pressure sensor hypothesis. After replacing it, the problem was solved! The total repair cost was 245€. Thanks again!

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FIAT

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SEDICI