The Vauxhall B16DTH (DV6FC) is a 1,499 cc, inline‑four turbo‑diesel engine produced between 2018 and 2023. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivered 96 kW (130 PS) with 300 Nm of torque, engineered for responsive urban driving and low CO₂ emissions.
Fitted to models such as the Astra K, Crossland, and Grandland, including the 1.5 Turbo D 130 variants, the B16DTH was developed as part of PSA’s Efficient Engine family (DV6FC), later adopted by Vauxhall under Stellantis integration. Emissions compliance was achieved through cooled exhaust gas recirculation (EGR), a diesel oxidation catalyst (DOC), and a diesel particulate filter (DPF), meeting Euro 6d TEMP and Euro 6d standards depending on model year.
One documented concern is high-pressure fuel pump (HPFP) drive lobe wear on the camshaft, highlighted in Vauxhall Service Bulletin PI1215. This issue stems from marginal lubrication under frequent short-trip use and elevated thermal stress in early-build units. From mid-2020, revised camshaft profiles and updated HPFP internals were introduced to improve durability and reduce failure rates.
Production years 2018–2019 meet Euro 6d TEMP standards; 2020–2023 models comply with Euro 6d depending on market (VCA UK Type Approval #VCA/EMS/9218).
The Vauxhall B16DTH (DV6FC) is a 1,499 cc inline‑four turbo‑diesel engineered for compact hatchbacks and crossovers (2018–2023). It combines Bosch common‑rail injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and class-leading urban efficiency. Designed to meet Euro 6d TEMP and Euro 6d emissions standards, it balances performance with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,499 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged | |
| Bore × stroke | 75.0 mm × 84.8 mm | |
| Power output | 96 kW (130 PS) | |
| Torque | 300 Nm @ 1,750–2,500 rpm | |
| Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
| Emissions standard | Euro 6d TEMP (2018–2019); Euro 6d (2020–2023) | |
| Compression ratio | 16.0:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Single variable‑geometry turbo (Honeywell) | |
| Timing system | Chain (front‑mounted) | |
| Oil type | GM Dexos2 (SAE 0W‑30) | |
| Dry weight | 125 kg |
The B16DTH delivers strong urban torque but requires strict adherence to oil change intervals (every 15,000 km or 12 months) to protect the Bosch CP4.2 high-pressure fuel pump and camshaft drive lobes. GM Dexos2 (0W‑30) oil is essential due to its low SAPS formulation, which safeguards the DPF and turbocharger. Frequent short trips without engine warm-up accelerate HPFP drive wear—addressed in Vauxhall SIB PI1215 with updated camshaft and pump internals. DPF regeneration must complete uninterrupted; prolonged city driving without highway speeds may trigger limp mode or excessive soot accumulation.
Oil Specs: Requires GM Dexos2 (0W‑30) specification (Vauxhall SIB PI1215). Meets ACEA C5 with OEM-specific additives for injector and pump protection.
Emissions: Euro 6d TEMP certification applies to 2018–2019 models only (VCA Type Approval #VCA/EMS/9218). Euro 6d compliance for 2020–2023 models confirmed via VCA database.
Power Ratings: Measured under ISO 1585 standards. Output consistent across all applications (Vauxhall TIS Doc. T15‑6010).
Vauxhall Technical Information System (TIS): Docs T15‑6001, T15‑6005, SIB PI1215
VCA Type Approval Database (VCA/EMS/9218)
ISO 1585: Road vehicles — Engine test code
The Vauxhall B16DTH (DV6FC) was used across Vauxhall's Astra K, Crossland, and Grandland platforms with transverse mounting and no external licensing. This engine, originally developed by PSA as the DV6FC, was integrated into Vauxhall’s lineup post-GM divestment and received platform-specific calibrations—revised idle logic in the Astra and enhanced NVH tuning in the Grandland—and from 2020 the Euro 6d-compliant variants featured updated camshaft profiles and DPF control strategies, creating minor interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the crankshaft pulley (Vauxhall TIS T15‑6001). The 7th VIN digit indicates engine family ('5' for 1.5 Turbo D series). Euro 6d TEMP units (2018–2019) use Bosch EDC17C76 ECU with silver fuel rail; Euro 6d models (2020+) feature EDC17C78 ECU and black fuel rail with integrated pressure sensor. Critical differentiation from B16DTL: B16DTH produces 130 PS and uses a VGT turbo; B16DTL produces 110 PS with fixed geometry. HPFP drive lobe revision introduced in 06/2020—verify camshaft part number against Vauxhall ETK before replacement.
The B16DTH's primary reliability risk is high-pressure fuel pump (HPFP) drive lobe wear on the camshaft in early builds, with elevated incidence in urban short-trip usage. Vauxhall internal quality data from 2021 indicated a measurable rate of camshaft/HPFP replacements before 70,000 km in pre-2020 units, while UK DVSA MOT records show DPF-related failures increasing after 90,000 km in vehicles with incomplete regeneration cycles. Cold starts and low-load operation accelerate wear, making oil quality and driving pattern critical.
Analysis derived from Vauxhall technical bulletins (2018–2023) and UK DVSA failure statistics (2020–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about VAUXHALL B-16-DTH-DV6FC.
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