The Volkswagen CUSB is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2019. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and variable valve timing, delivering 110 kW (150 PS) and 250 Nm of torque. Its compact design and turbocharging enable strong low‑rpm response for agile urban and highway driving.
Fitted to models such as the Golf Mk7, Passat B8, and Audi A3 (8V), the CUSB was engineered for responsive performa…
All CUSB production years (2012–2019) meet Euro 6 emissions standards (VCA UK Type Approval #VCA/EMS/9125).
The Volkswagen CUSB is a 1,395 cc inline‑four turbocharged petrol engineered for compact and mid-size hatchbacks and sedans (2012–2019). It combines direct fuel injection (TSI) with a single turbocharger to deliver brisk low-end torque and efficient cruising. Designed to meet Euro 6 standards, it balances sporty character with urban efficiency and regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol (RON 95 min) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 80.0 mm | |
Power output | 110 kW (150 PS) @ 5,000 rpm | |
Torque | 250 Nm @ 1,500–3,500 rpm | |
Fuel system | Bosch HDP5 high-pressure direct injection (up to 120 bar) | |
Emissions standard | Euro 6 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled with dual-circuit layout | |
Turbocharger | Single VTG turbo (Honeywell/IHI) | |
Timing system | Chain-driven DOHC | |
Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
Dry weight | 115 kg |
The Volkswagen CUSB was used across Volkswagen's Golf Mk7 and Passat B8 platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific calibrations—revised cooling in the Passat and updated ECU maps in the Golf—and from 2016 the HPFP cam follower upgrade improved reliability, creating minor service part distinctions. All adaptations are documented in OEM technical bulletins.
The CUSB's primary reliability risk is high-pressure fuel pump cam follower wear, with elevated incidence in high-mileage or aggressive-driving scenarios. Volkswagen internal field data from 2017 indicated a notable rate of cam follower replacement before 110,000 km in pre-2016 builds, while UK DVSA records show no significant emissions-related MOT failures directly tied to this engine. Extended oil intervals and low-quality fuel increase cam lobe stress, making oil specification and change frequency critical.
Analysis derived from Volkswagen technical bulletins (2012–2019) and UK DVSA failure statistics (2015–2023). 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 CUSB offers responsive performance and good efficiency, but early units (2012–2015) had HPFP cam follower wear concerns. Post-2016 revisions improved durability significantly. With correct oil (VW 502 00/504 00), quality fuel, and timely servicing, it can exceed 180,000 km without major issues.
Top issues include HPFP cam follower wear, intake valve carbon buildup (due to direct injection), VTG turbo actuator faults, and minor oil leaks. Cam follower problems are well-documented in VW service bulletin 2015‑03, while carbon buildup is a known trait of all TSI engines.
The CUSB powered the Golf Mk7 (2012–2019), Passat B8 (2014–2019), Audi A3 (8V, 2013–2018), and SEAT Leon (2013–2018). It’s a transverse-mounted 1.4 TSI producing 150 PS, used across the Volkswagen Group’s compact and mid-size platforms.
Yes. The CUSB responds well to ECU remapping, with Stage 1 typically yielding 180–190 PS. Stock internals handle up to ~210 PS reliably. Supporting upgrades—intercooler, exhaust, and HPFP—are recommended for higher stages to avoid overstressing components.
Real-world consumption is ~7.5 L/100km (city) and ~5.3 L/100km (highway), or about 38–44 mpg UK combined. Conservative driving may achieve low 6s L/100km; aggressive use increases consumption significantly.
Yes. The CUSB is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the chain is generally durable with proper maintenance.
Volkswagen specifies 5W‑40 synthetic oil meeting VW 502 00 or 504 00 standards. This is critical for HPFP cam follower protection. Change intervals should not exceed 15,000 km or 12 months.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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