Peugeot 407 6D/6E — Reliability
Reliability Summary
Engine
ES9 3.0 V6 — 78/100
BUY
Known Issues
4
Engine in this model
Known Issues Across All Engines
| Issue | Engine | Severity |
|---|---|---|
| Timing belt - expensive V6 job, must be done on time | ES9 3.0 V6 | high |
| Oil leaks from gaskets and seals | ES9 3.0 V6 | moderate |
| Ignition coil failure (misfire on one cylinder bank) | ES9 3.0 V6 | moderate |
| Lambda (oxygen) sensor failure | ES9 3.0 V6 | minor |