The Volkswagen CUVA is a 1,390 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. In standard form it delivers 90 kW (122 PS) and 200 Nm of torque, optimized for responsive urban driving and fuel efficiency.
Fitted to compact models such as the Polo Mk5, Škoda Fabia III, and SEAT Ibiza Mk5, the CUVA was engineered as an entry‑level TSI unit balancing p…
All production years 2012–2019 meet Euro 5 emissions standards .
The Volkswagen CUVA is a 1,390 cc inline‑four turbocharged petrol engineered for compact hatchbacks (2012–2019). It combines direct fuel injection (TSI) with a small fixed‑geometry turbo to deliver brisk low‑rpm response and efficient urban driving. Designed to meet Euro 5 standards, it balances affordability with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,390 cc | |
Fuel type | Petrol (RON 95 min) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 79.5 mm | |
Power output | 90 kW (122 PS) @ 4,800 rpm | |
Torque | 200 Nm @ 1,500–4,000 rpm | |
Fuel system | Bosch HDP5 high-pressure direct injection (up to 350 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled with dual-circuit thermostat | |
Turbocharger | Single fixed‑geometry turbo (Honeywell) | |
Timing system | Chain (front‑mounted; low wear design) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 110 kg |
The Volkswagen CUVA was used across Volkswagen's PQ25/PQ26 platforms with transverse mounting and shared with Škoda and SEAT under the PQ architecture. This engine received platform-specific adaptations—revised engine mounts in the Fabia and intake tuning in the Polo—and from 2015 the Ibiza adopted updated cam follower hardware, creating minor service part interchange limits. Partnerships allowed Škoda Fabia III and SEAT Ibiza Mk5 to use identical CUVA units. 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 CUVA is generally reliable when maintained properly. Key concerns include HPFP cam follower wear and carbon buildup, but these are manageable with correct oil (VW 502 00/505 00), timely servicing, and RON 95+ fuel. Well-maintained examples often exceed 180,000 km without major issues.
Most frequent issues are HPFP cam follower wear, intake valve carbon deposits, PCV diaphragm rupture in the cam cover, and coolant housing leaks. All are documented in Volkswagen service bulletins, particularly STB 2042875/1, and are preventable with proper maintenance.
The CUVA appears in the Polo Mk5 (2012–2017), Škoda Fabia III (2015–2019), and SEAT Ibiza Mk5 (2015–2019) as the 1.4 TSI 122 PS variant. It was developed for the PQ25/PQ26 platform and is not used in MQB-based models.
Aftermarket ECU tuning is common on the CUVA 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.
Excellent for a turbo petrol. In a Polo 1.4 TSI, expect ~6.3 L/100km (city) and ~4.6 L/100km (highway), or ~53 mpg UK combined. Real-world mixed driving typically returns 48–55 mpg (UK), depending on conditions and driving style.
Yes. Like all modern VW petrol engines, the CUVA is an interference design. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. The front-mounted chain is durable with proper oil maintenance.
Volkswagen mandates 5W-40 synthetic oil meeting VW 502 00 and 505 00 specifications. This formulation is critical for HPFP and cam follower protection. Never use 504/507 oils or non-approved substitutes.
Comprehensive technical documentation and regulatory references
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DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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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.
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