The Vauxhall M9T 702 is a 2,298 cc, inline‑four turbo‑diesel engine produced between 2012 and 2021 under licence from Renault. It features a single variable geometry turbocharger (VGT), common‑rail direct injection, and dual overhead camshafts (DOHC) with 16 valves. In standard form it delivers 103 kW (140 PS) and 340 Nm of torque, offering strong low‑end response for light commercial vehicles and mid‑size MPVs.
Fitted to models such as the Vauxhall Vivaro B, Movano B, a…
Production years 2012–2015 meet Euro 5 standards; 2016–2021 models comply with Euro 6b .
The Vauxhall M9T 702 is a 2,298 cc inline‑four turbo‑diesel engineered under Renault licence for light commercial and passenger MPVs (2012–2021). It combines common-rail direct injection with a variable-geometry turbocharger to deliver robust low-rpm torque and fleet-grade durability. Designed to meet Euro 5 and Euro 6b emissions standards, it balances utility with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,298 cc | |
Fuel type | Diesel (EN 590) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged (VGT) | |
Bore × stroke | 85.0 mm × 101.3 mm | |
Power output | 103 kW (140 PS) @ 3,500 rpm | |
Torque | 340 Nm @ 1,500 rpm | |
Fuel system | Bosch CP4.2 common‑rail (up to 2,000 bar) | |
Emissions standard | Euro 5 (2012–2015); Euro 6b (2016–2021) | |
Compression ratio | 15.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Garrett) | |
Timing system | Chain (front‑mounted, maintenance‑free design) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 158 kg |
The Vauxhall M9T 702 was used across Vauxhall's Vivaro B, Movano B, and Zafira Life platforms with transverse mounting under licence from Renault. This engine received platform-specific adaptations—reinforced engine mounts in the Movano for heavy-duty use and modified exhaust routing in the Zafira Life—and from 2016 minor fuel system updates were introduced to address HPFP durability, creating service part interchange limits. All adaptations are documented in OEM technical bulletins.
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Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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The M9T 702 is generally robust when maintained properly, but early models (2012–2015) had HPFP reliability concerns. Post-2016 revisions improved fuel system durability. Using DEXOS2 5W-30 oil, EN 590 diesel, and adhering to service intervals greatly enhances longevity.
Top issues include high-pressure fuel pump wear, DPF saturation from short trips, EGR valve coking, and turbo actuator sticking. These are documented in Vauxhall service bulletins like PI1025 and supported by DVSA MOT data.
The M9T 702 powers the Vivaro B (2014–2021), Movano B (2012–2021), and Zafira Life (2019–2021) in 140 PS form. It is a Renault-sourced 2.3L/2.0L diesel used under licence, identifiable by DOHC architecture, single VGT turbo, and Euro 5/Euro 6b compliance with DPF.
Aftermarket ECU tuning is common on the M9T-702 platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.
In a Vivaro 2.3 CDTI 140 PS, expect ~6.8 L/100km (city), ~5.6 L/100km (highway), or ~38 mpg UK combined. Real-world mixed driving typically returns 35–42 mpg UK. Fuel economy is competitive for a Euro 5/6 diesel with DPF complexity.
Yes. The M9T 702 is an interference design. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. However, the chain is front-mounted and designed for life-of-engine service under proper maintenance.
Vauxhall specifies DEXOS2 5W-30 (ACEA C3) synthetic oil. This low-SAPS formulation protects the DPF and turbo. Never use DEXOS1 or non-approved oils. Change every 20,000 km or 12 months.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
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
Official guidance on engine swaps and inspection implications.
Vehicle Certification Agency (VCA)
UK type-approval authority for automotive products.
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.
GOV.UK: Vehicle Approval
UK compliance and certification requirements for imported and modified vehicles.
VCA Certification Portal
Type-approval guidance and documentation.
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