The Vauxhall B16DT (DV6FD) is a 1,560 cc, inline‑four turbo‑diesel engine produced between 2011 and 2018. It features a dual overhead camshaft (DOHC) 16‑valve layout with common‑rail direct fuel injection and a variable geometry turbocharger (VGT). In standard form it delivered 81 kW (110 PS) at 3,750 rpm and 260 Nm of torque at 1,750 rpm, providing strong low‑end pull ideal for urban and motorway driving.
Fitted to models such as the Corsa D, Meriva B, and Adam—including the 1.6 CDTi 110 variants—the B16DT was engineered for responsive performance and fuel efficiency. Emissions compliance was achieved through cooled exhaust gas recirculation (EGR), a diesel oxidation catalyst (DOC), and a diesel particulate filter (DPF), allowing it to meet Euro 5 standards across all production years.
One documented concern is premature wear of the high-pressure fuel pump drive mechanism, particularly in vehicles subjected to frequent short trips without full warm-up. This issue, highlighted in Vauxhall Service Information Bulletin SIB‑11‑06‑13, is attributed to marginal lubrication under cold-start conditions and fuel contamination. Affected engines exhibit hard starting, fuel pressure faults, and reduced power.
All production years 2011–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/7923).
The Vauxhall B16DT (DV6FD) is a 1,560 cc inline‑four turbo‑diesel engineered for compact hatchbacks and MPVs (2011–2018). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and efficient cruising. Designed to meet Euro 5 emissions standards, it balances everyday drivability with fuel economy.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,560 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 75.0 mm × 88.3 mm | |
| Power output | 81 kW (110 PS) @ 3,750 rpm | |
| Torque | 260 Nm @ 1,750 rpm | |
| Fuel system | Bosch CP4.2 common‑rail (up to 1,800 bar) | |
| Emissions standard | Euro 5 | |
| Compression ratio | 16.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single variable‑geometry turbo (Honeywell) | |
| Timing system | Chain‑driven DOHC | |
| Oil type | Vauxhall GM‑LL‑B‑025 (SAE 5W‑30) | |
| Dry weight | 132 kg |
The VGT turbo provides strong low-RPM torque ideal for urban driving but requires adherence to 15,000 km oil change intervals using GM‑LL‑B‑025–approved oil to protect the high-pressure fuel pump and timing chain. Short trips without full warm-up accelerate fuel dilution and oil degradation. The Bosch CP4.2 pump is sensitive to fuel contamination and requires ultra-low-sulfur diesel (EN 590); poor fuel quality can cause rapid wear of the pump drive lobe. EGR and DPF systems demand periodic regeneration cycles—extended city driving without highway runs may trigger limp mode. Post-2014 units feature updated pump drive components per SIB‑11‑06‑13.
Oil Specs: Requires GM‑LL‑B‑025 specification (Vauxhall Owner’s Manual 2011). Equivalent to ACEA C3.
Emissions: Euro 5 certification applies to all 2011–2018 models (VCA Type Approval #VCA/EMS/7923). No market variations.
Power Ratings: Measured under ISO 1585 standards. Output verified across Corsa D and Meriva B applications (Vauxhall PT‑2011).
Vauxhall Technical Information System (TIS): Docs T11‑225, SIB 11‑06‑13
VCA Type Approval Database (VCA/EMS/7923)
ISO 1585: Road vehicles — Engine test code
The Vauxhall B16DT (DV6FD) was used across Vauxhall's Z30 and GJ platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—revised engine mounts in the Meriva B and modified airbox routing in the Corsa D—and from 2014 the facelifted Adam models retained the same engine code but updated ECU calibrations for improved DPF management, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block near the timing cover (Vauxhall TIS T11‑225). The 8th VIN digit indicates engine displacement ('6' for 1.6L). All B16DT units feature black plastic cam covers with 'CDTi' embossing. Critical differentiation from B16DTH: B16DT uses a single VGT turbo and Bosch CP4.2 pump; B16DTH has higher output and revised turbo actuator. ECU part number begins with '1358475' for pre‑2014 units and '1359012' for post‑DPF‑update. Service parts require calibration verification—fuel pumps and injectors are not interchangeable across ECU generations (Vauxhall SIB 12‑08‑14).
The B16DT's primary reliability risk is high-pressure fuel pump drive wear, with elevated incidence in high-mileage vehicles used primarily for short urban trips. Vauxhall internal field data from 2014 indicated pump failures in a notable subset of engines exceeding 100,000 km without strict oil and fuel maintenance, while UK DVSA MOT records show secondary failures linked to DPF blockage and EGR faults. Cold-start cycles without full warm-up increase pump stress, making fuel quality and oil change interval adherence critical.
Analysis derived from Vauxhall technical bulletins (2011–2016) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VAUXHALL B-16-DT-DV6FD.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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