What are the most common Peugeot 308 problems?
According to Au7o's analysis of 240+ owner reports, the 2014-2014 Peugeot 308 has 8 documented issues. The most frequently reported are: DPF Regeneration Failure, AdBlue System Fault, 1.6 THP/VTi (EP6 'Prince') Timing Chain Stretch and Cold-Start Rattle. Of these, 4 are rated critical and should be addressed promptly.
Is the Peugeot 308 reliable?
The 2014-2014 Peugeot 308 has 8 known issues documented across 240+ owner reports. 4 issues are rated critical: DPF Regeneration Failure and AdBlue System Fault and 1.6 THP/VTi (EP6 'Prince') Timing Chain Stretch and Cold-Start Rattle and 1.2 PureTech Wet Timing Belt Degradation and Oil Starvation. Prospective buyers should inspect for these issues and factor potential repair costs into their purchase decision. Regular maintenance following the manufacturer's schedule helps prevent many common problems.
How much does it cost to fix common Peugeot 308 problems?
Repair costs for known Peugeot 308 issues range from $100 to $6,000, depending on the specific problem and whether you choose DIY or professional repair. The most critical issue, DPF Regeneration Failure, typically costs $200-$2,500 to repair. Au7o provides step-by-step DIY maintenance guides that can help reduce repair costs.
What is the 2007-2026 Peugeot 308 DPF Regeneration Failure?
The 308 diesel models experience frequent DPF regeneration failures, especially in stop-start urban driving conditions. The additive-based DPF system requires periodic Eolys fluid refills that are often overlooked during servicing. Repairs typically run $200-$2,500. Severity: high.
What is the 2014-2026 Peugeot 308 AdBlue System Fault?
The AdBlue (SCR) system on BlueHDi engines triggers false fault warnings and countdown timers to engine disable. The NOx sensor and AdBlue injector are primary failure points, often caused by crystallized fluid. Repairs typically run $300-$1,200. Severity: high.
What is the 2008-2017 Peugeot 308 1.6 THP/VTi (EP6 'Prince') Timing Chain Stretch and Cold-Start Rattle?
The PSA/BMW co-developed 1.6 'Prince' engine (EP6 VTi and EP6DT/EP6CDT THP) in the 308 I and early 308 II suffers well-documented timing chain stretch, often before 100,000 km. The original chain was too narrow for the load and the hydraulic tensioner bleeds down overnight, produ… Repairs typically run $800-$2,000. Severity: high.
What is the 2014-2022 Peugeot 308 1.2 PureTech Wet Timing Belt Degradation and Oil Starvation?
The 1.2 PureTech (EB2) three-cylinder petrol engine fitted to the 308 II and early 308 III uses a 'wet' timing belt that runs immersed in engine oil. The belt rubber degrades prematurely — accelerated by aged or incorrect-spec oil and fuel dilution — shedding particles that clog… Repairs typically run $500-$6,000. Severity: high.
What is the 2007-2021 Peugeot 308 EGR Valve Failure?
The exhaust gas recirculation valve on diesel 308 models becomes clogged with carbon deposits, causing rough idle and poor performance. The electrically actuated valve sticks in the open or closed position. Repairs typically run $200-$600. Severity: medium.
What is the 2008-2017 Peugeot 308 1.6 THP Intake Valve Carbon Buildup (Direct Injection)?
Because the turbocharged 1.6 THP (EP6DT/EP6CDT/EP6DTS) injects fuel directly into the cylinder, no fuel washes over the backs of the intake valves; oil vapour from the PCV system bakes onto the valves and ports as hard carbon. Deposits typically become symptomatic between 50,000… Repairs typically run $350-$900. Severity: medium.
What is the 2014-2021 Peugeot 308 Electric Parking Brake (EPB) Faults — Caliper Motor, Switch and Wiring?
308 II (T9) and later cars with the electric parking brake commonly throw a 'Parking brake fault' message with a flashing warning lamp, the brake refusing to release or failing to auto-apply. Documented root causes across owner forums include failure of the electric actuator moto… Repairs typically run $100-$900. Severity: medium.
What is the 2014-2019 Peugeot 308 EAT6 Automatic Gearbox Shudder and Jerky Low-Speed Shifting?
The Aisin-built EAT6 six-speed automatic fitted to the 308 II has a widespread reputation for low-speed shudder and jerky shifts, particularly when cold, in crawling traffic, and immediately after stop/start restarts. Causes documented by UK gearbox specialists include degraded t… Repairs typically run $300-$3,500. Severity: medium.
