The Vauxhall Z17DTL is a 1,686 cc, inline‑four turbo‑diesel engine produced between 2006 and 2010. It features dual overhead camshafts (DOHC), 16 valves, and common‑rail direct fuel injection. In standard form it delivered 74 kW (101 PS) at 4,000 rpm with 230 Nm of torque at 2,000 rpm, offering strong low‑end pull suitable for compact hatchbacks and light commercial use.
Fitted to models such as the Corsa C, Corsa D, and Combo, the Z17DTL was engineered for cost‑effective ownership, fuel efficiency, and emissions compliance. Emissions control was achieved through exhaust gas recirculation (EGR) and a diesel oxidation catalyst (DOC), allowing adherence to Euro 4 standards across all production years.
One documented concern is premature failure of the high‑pressure fuel pump, particularly in vehicles using low‑lubricity or contaminated diesel. This issue, highlighted in Vauxhall Technical Service Bulletin TSB‑06‑11‑08, stems from inadequate lubrication of the Bosch CP1 pump internals. From 2008 onward, revised fuel filtration and updated pump calibration were introduced to reduce failure rates.
All production years 2006–2010 meet Euro 4 emissions standards (VCA UK Type Approval #VCA/EMS/2006/0782).
The Vauxhall Z17DTL is a 1,686 cc inline‑four turbo‑diesel engineered for compact hatchbacks and light vans (2006–2010). It combines DOHC 16‑valve architecture with common‑rail direct injection and a fixed‑geometry turbocharger to deliver strong low‑rpm torque and urban efficiency. Designed to meet Euro 4 emissions standards, it balances fuel economy with drivability in entry‑level diesel applications.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,686 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 79.0 mm × 85.8 mm | |
| Power output | 74 kW (101 PS) @ 4,000 rpm | |
| Torque | 230 Nm @ 2,000 rpm | |
| Fuel system | Bosch CP1 common‑rail (up to 1,350 bar) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 16.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single fixed‑geometry turbo (Garrett GT1544) | |
| Timing system | Belt (front‑mounted, replace every 60,000 km or 4 years) | |
| Oil type | Vauxhall GM‑LL‑B‑025 (SAE 5W‑30) | |
| Dry weight | 128 kg |
The fixed‑geometry turbo provides predictable torque delivery but requires strict adherence to 10,000 km oil change intervals to protect the timing belt and turbo bearings. Vauxhall GM‑LL‑B‑025 oil (5W‑30) is essential due to its low‑SAPS formulation for Euro 4 diesel engines. The Bosch CP1 pump is highly sensitive to fuel quality—only EN 590 ultra‑low‑sulfur diesel should be used. Pre‑2008 units are at higher risk of fuel pump failure; updated filtration and pump calibration from 2008 (per TSB 06‑11‑08) improve reliability. EGR systems require periodic inspection to prevent coking and limp‑mode events.
Oil Specs: Requires Vauxhall GM‑LL‑B‑025 specification (Vauxhall TSB 06‑11‑08). Equivalent to ACEA B4.
Emissions: Euro 4 certification applies to all Z17DTL production years (VCA Type Approval #VCA/EMS/2006/0782). No Euro 3 or Euro 5 variants exist.
Power Ratings: Measured under ISO 1585 standards. Power output consistent across all applications (Vauxhall TIS Doc. VTIS‑A2305).
Vauxhall Technical Information System (TIS): Docs VTIS‑A2305, VTIS‑A2310
Vauxhall Technical Service Bulletin TSB 06‑11‑08
VCA Type Approval Database (VCA/EMS/2006/0782)
ISO 1585: Road vehicles — Engine test code
The Vauxhall Z17DTL was used across Vauxhall's Corsa C, Corsa D, and Combo platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Combo van and unique exhaust manifolds in the Corsa D—and from 2008 the facelifted Corsa D models retained the same engine but with updated fuel pump calibration, creating minor ECU differences. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block near the timing belt cover (Vauxhall TIS VTIS‑A2305). The 8th digit of the VIN indicates engine type ('D' for Z17DTL). Pre-2008 models use silver cam covers with black intake manifolds; post-2008 Corsa D models feature black cam covers and updated airbox routing. Critical differentiation from Z17DT: Z17DTL is 101 PS with EGR and DOC; Z17DT is 75 kW without EGR. ECU part numbers differ—Z17DTL uses Bosch EDC16C39. Service parts for fuel pumps changed in 2008 per TSB 06‑11‑08.
The Z17DTL's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using poor-quality diesel or operating in humid environments. Vauxhall internal service data from 2009 indicated a measurable increase in pump replacements in engines with over 80,000 km and no fuel filter changes at recommended intervals, while UK DVSA MOT records show elevated emissions failures in Corsa/Combo 1.7 CDTi models with neglected maintenance. Urban driving and infrequent long runs exacerbate fuel system wear, making fuel quality and filter discipline critical.
Analysis derived from Vauxhall technical bulletins (2006–2010) and UK DVSA failure statistics (2010–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VAUXHALL Z-17-DTL.
Comprehensive technical documentation and regulatory references
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VAUXHALL Official Site
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
GOV.UK: Vehicle Approval & V5C
UK vehicle approval processes, import rules, and MoT guidance.
DVLA: Engine Changes & MoT
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Vehicle Certification Agency (VCA)
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
WLTP and RDE testing procedures for emissions certification.
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VCA Certification Portal
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