1.6 diesel (Y6, PSA DV6)
2004–2013 · diesel · 1560cc · 109hp
Engine codes: Y6
Reliability, common problems and owner reviews for the Mazda Mazda 3 1.6 diesel (Y6, PSA DV6). Check this before you buy used.
The PSA-sourced 1.6 diesel — known for injector faults (loss of power, warning lights; costly replacements) and EGR system clogging after ~150,000 km, plus DPF. Shares the DV6 family's weaknesses. Only sensible with motorway use and documented injector/EGR care.
Known Issues
Injector faults cause power loss / warning lights; replacements are costly.
Fix / Workaround: Scan before buying; budget for injectors.
Repair cost: €400–€1500
Typically appears after: 120,000 km
EGR clogs after ~150,000 km; DPF blocks on short trips.
Fix / Workaround: Clean EGR; motorway runs for DPF.
Repair cost: €200–€900
Typically appears after: 150,000 km
Mileage Thresholds
After 150,000 km: Injector/EGR issues cluster.
Pre-Purchase Checklist
- ☐Scan for injector codes
- ☐EGR/DPF history; prefer motorway use
- ☐Prefer a petrol Mazda 3
Frequently asked questions
Is the Mazda Mazda 3 1.6 diesel (Y6, PSA DV6) reliable?
Problematic — The PSA-sourced 1.6 diesel — known for injector faults (loss of power, warning lights; costly replacements) and EGR system clogging after ~150,000 km, plus DPF. Shares the DV6 family's weaknesses. Only sensible with motorway use and documented injector/EGR care.
What are the common problems and reviews for the Mazda Mazda 3 1.6 diesel (Y6, PSA DV6)?
The most commonly reported problems: Injector faults, EGR / DPF clogging.
Is a used Mazda Mazda 3 1.6 diesel (Y6, PSA DV6) worth buying?
Known design issues and recurring faults that were never fully resolved. Buy only with eyes open.