2011 Peugeot 508 Problems: 1 Issues Every Owner Should Know
2011 model year · 65+ owner reports · Updated April 2026
According to Au7o's analysis of 65+ owner reports, the 2011 Peugeot 508 has 1 documented known issues, with 1 rated critical. The most serious is Diesel DPF Regeneration Issues ($300-$2,500 repair). Across all issues, repair costs range from $300 to $2,500. DIY maintenance guides at au7o.io.
All 1 Known Issues
On the 2011-2026 Peugeot 508, the 508 diesel suffers from DPF regeneration failures, particularly on first-generation models with the additive DPF system. Frequent short journeys prevent the regeneration cycle from completing, leading to progressive soot buildup.
Common Symptoms
- DPF warning indicator
- Power loss
- Limp mode
- Excessive exhaust particulates
How to Fix
Perform forced DPF regeneration via diagnostic tool. Top up the Eolys additive system. For severely blocked units, professional off-car DPF cleaning is recommended before resorting to replacement.