The Volkswagen CRUA is a 1,968 cc, inline‑four turbocharged diesel engine produced between 2015 and 2020. It features common — rail direct injection, a variable geometry turbocharger (VGT), dual overhead camshafts (DOHC), and delivers 110 kW (150 PS) with 340 Nm of torque. The aluminium — silicon alloy block reduces weight while maintaining durability for compact and mid — size applications.
Fitted to models including the Mk7 Golf, Passat B8, and Tiguan II—specificall…
All production years 2015–2020 meet Euro 6b emissions standards (VCA UK Type Approval #VCA/EMS/7892).
The Volkswagen CRUA is a 1,968 cc inline‑four turbocharged diesel engineered for compact and mid-size models (2015–2020). It combines Bosch CP4.2 common-rail injection with a single variable-geometry turbocharger to deliver strong low-rpm torque and highway efficiency. Designed to meet Euro 6b standards from launch, it integrates SCR aftertreatment for NOx control while balancing drivability and economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,968 cc | |
Fuel type | Diesel (EN 590) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 81.0 mm × 95.5 mm | |
Power output | 110 kW (150 PS) @ 3,500–4,000 rpm | |
Torque | 340 Nm @ 1,750–3,000 rpm | |
Fuel system | Bosch CP4.2 common-rail (up to 2,500 bar) | |
Emissions standard | Euro 6b | |
Compression ratio | 16.2:1 | |
Cooling system | Water‑cooled with dual‑circuit thermal management | |
Turbocharger | Single variable-geometry turbo (Garrett VNT17) | |
Timing system | Chain (front‑mounted; maintenance‑free design) | |
Oil type | VW 507 00 (SAE 5W‑30) | |
Dry weight | 149 kg |
The Volkswagen CRUA was used across Volkswagen's Mk7 and B8 platforms with transverse and longitudinal mounting and shared with SEAT and Škoda under the MQB/MLB architecture. This engine received platform-specific adaptations—revised engine mounts in the Tiguan II and modified SCR tank routing in the Passat B8—and from 2018 the Golf Mk7.5 facelift retained the same CRUA code but with updated ECU calibration for WLTP compliance, creating minor software interchange limits. Partnerships enabled SEAT Ateca and Škoda Kodiaq to use identical powertrains. All adaptations are documented in OEM technical bulletins.
The CRUA's primary reliability risk is high-pressure fuel pump (HPFP) failure due to camshaft lobe wear, with elevated incidence in vehicles using non-approved oils or low-quality fuel. Volkswagen internal field data (2018) indicated a measurable uptick in HPFP replacements beyond 100,000 km under poor maintenance conditions, while UK DVSA MOT records show minimal emissions-related failures thanks to robust Euro 6b compliance. Short-trip driving and infrequent oil changes accelerate wear, making oil specification and interval adherence critical.
Analysis derived from Volkswagen technical bulletins (2015–2020) and UK DVSA failure statistics (2017–2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The CRUA is generally reliable when maintained properly. Its main weakness is the high-pressure fuel pump, which depends on correct oil and fuel quality. With regular 15,000 km oil changes using VW 507 00 oil and EN 590 diesel, most engines exceed 200,000 km without major issues.
Top issues include HPFP failure due to cam lobe wear, AdBlue system faults (dosing valve clogging), EGR cooler leaks, and turbo VGT actuator failures. These are documented in Volkswagen SIBs 2017‑09 and 2018‑06.
The CRUA powered the Golf Mk7 (2.0 TDI 150), Passat B8, Tiguan II, and was shared with SEAT Ateca and Škoda Kodiaq under the same 150 PS output. All are Euro 6b-compliant from launch and feature AdBlue/SCR.
Yes. Stage 1 ECU remaps typically yield +25–30 kW (185–190 PS) safely using stock internals. The turbo and fuel system support modest gains, but HPFP longevity requires high-quality fuel and oil. Aggressive tuning without supporting mods risks premature HPFP or turbo failure.
In a Golf 2.0 TDI 150, expect ~5.2 L/100km (city) and ~3.8 L/100km (highway), or about 62 mpg UK combined. Real-world mixed driving typically returns 55–65 mpg (UK), depending on conditions and maintenance.
Yes. Like all modern VW TDI engines, the CRUA is an interference design. If the timing chain were to fail (rare but possible with severe oil neglect), piston-to-valve contact would cause catastrophic damage.
Volkswagen specifies 5W‑30 synthetic oil meeting VW 507 00 standards. This is critical for HPFP cam lobe protection and DPF compatibility. Change every 15,000 km or annually, whichever comes first.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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