1.7 CDTi (Isuzu-based)
2007–2014 · diesel · 1686cc · 130hp
Engine codes: Z17DTR, A17DTS
Reliability, common problems and owner reviews for the Opel Corsa D 1.7 CDTi (Isuzu-based). Check this before you buy used.
The Isuzu-based 1.7 CDTi — a tough, high-mileage-capable diesel and the robust choice over the Fiat 1.3. Main wear point is the turbocharger at higher mileage, plus EGR/DPF on short-trip cars. Solid with maintenance.
Same engine, other cars
This is the same physical engine (A17DTS) sold under different names across brands. Reliability is broadly shared — cross-check these:
Known Issues
Turbo wears at higher mileage (power loss, smoke, whistle).
Fix / Workaround: Rebuild/replace turbo; check oil feed.
Repair cost: €400–€1000
Typically appears after: 120,000 km
EGR clogs; DPF blocks on short trips.
Fix / Workaround: Clean EGR; motorway runs.
Repair cost: €150–€700
Mileage Thresholds
After 120,000 km: Turbo wear window.
Pre-Purchase Checklist
- ☐Check turbo on test drive
- ☐EGR/DPF history
- ☐The robust Corsa diesel (vs 1.3)
Frequently asked questions
Is the Opel Corsa D 1.7 CDTi (Isuzu-based) reliable?
Maint. Sensitive — The Isuzu-based 1.7 CDTi — a tough, high-mileage-capable diesel and the robust choice over the Fiat 1.3. Main wear point is the turbocharger at higher mileage, plus EGR/DPF on short-trip cars. Solid with maintenance.
What are the common problems and reviews for the Opel Corsa D 1.7 CDTi (Isuzu-based)?
The most commonly reported problems: Turbocharger wear, EGR / DPF clogging.
Is a used Opel Corsa D 1.7 CDTi (Isuzu-based) worth buying?
Fine if serviced correctly — but it punishes neglect hard. History and the right consumables matter.