The Volkswagen CAWA is a 1,390 cc, inline‑four turbocharged petrol engine produced between 2008 and 2015. It features direct fuel injection (TSI), a single twin‑scroll turbocharger, and dual overhead camshafts (DOHC). This powertrain, part of the EA111 family, was engineered for responsiveness, delivering 103 kW (140 PS) and 220 Nm of torque, with turbocharging providing strong low‑rpm pull for dynamic driving.
Fitted primarily to the Mk6 Golf, Scirocco, and early M…
Production years 2008–2015 meet Euro 5 standards .
The Volkswagen CAWA is a 1,390 cc inline‑four turbocharged petrol engine engineered for compact hatches and coupes (2008-2015). It combines gasoline direct injection (TSI) with a twin‑scroll turbocharger to deliver brisk acceleration and efficient cruising. Designed to meet Euro 5 standards, it balances sporty performance with everyday fuel economy.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,390 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 76.5 mm × 75.6 mm | |
Power output | 103 kW (140 PS) @ 5,600 rpm | |
Torque | 220 Nm @ 1,500–4,000 rpm | |
Fuel system | Direct Injection (TSI), Bosch MED 17.5 ECU | |
Emissions standard | Euro 5 | |
Compression ratio | 10.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single twin‑scroll (IHI VF33) | |
Timing system | Chain‑driven (maintenance‑free design) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | Approx. 107 kg |
The Volkswagen CAWA was used across Volkswagen's Golf and Scirocco platforms with transverse mounting. This engine received platform-specific adaptations-reinforced mounts in the Scirocco for sportier dynamics-and shared its core architecture with the Seat Leon and Škoda Octavia. 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.
The most common questions about engine codes, what they mean, how to find them and how this database works
The CAWA engine is generally robust if maintained correctly. Its main weakness is the timing chain tensioner, which can rattle or fail if oil changes are neglected. The high-pressure fuel pump is also a potential failure point. With strict adherence to service schedules, use of the correct oil (VW 504 00), and good quality fuel, it can be very reliable and deliver strong performance.
The most frequent issues are timing chain tensioner rattle, high-pressure fuel pump (HPFP) failure, and carbon buildup on intake valves. Coolant leaks from the plastic water pump housing are also common on higher-mileage engines. These are well-documented in Volkswagen service bulletins and are often linked to maintenance neglect.
The CAWA 1.4 TSI (103kW) was primarily used in the Volkswagen Golf Mk6 (2009-2013), Scirocco Mk3 (2008-2015), and early European-spec Mk7 Golf (2013-2015). It was also found in models like the Seat Leon and Škoda Octavia from the same era.
Aftermarket ECU tuning is common on the CAWA 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.
Official combined figures are around 5.8 L/100km (49 mpg UK) for a Golf. Real-world consumption typically ranges from 6.5-8.0 L/100km (35-43 mpg UK) in mixed driving, heavily dependent on driving style. Highway cruising can yield figures closer to 5.2 L/100km (54 mpg UK).
Yes. The CAWA, like virtually all modern engines, is an interference design. If the timing chain were to fail or jump significantly, the pistons would collide with the open valves, causing catastrophic internal engine damage. This underscores the critical importance of using the correct oil and adhering to service intervals to protect the timing components.
Volkswagen mandates oil meeting VW 502 00 or 504 00 specifications, typically SAE 5W-40. The 504 00 spec is formulated for extended service intervals and is generally preferred. Using the correct, high-quality synthetic oil is non-negotiable for protecting the turbocharger, timing chain, and high-pressure fuel pump.
Comprehensive technical documentation and regulatory references
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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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