The Volkswagen CDLG is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2019. It features direct fuel injection (TSI), a single — scroll turbocharger, dual overhead camshafts (DOHC), and delivers 92 kW (125 PS) with 200 Nm of torque. The engine’s compact displacement and turbocharging enable responsive urban performance while maintaining competitive fuel economy for its class.
Fitted to models such as the Polo, Fabia, Ibiza, and Ameo, the C…
Production years 2012–2014 meet Euro 5 standards; 2015–2019 models comply with Euro 6 (VCA UK Type Approval #VCA/EMS/7123).
The Volkswagen CDLG is a 1,395 cc inline‑four turbocharged petrol engine engineered for compact hatchbacks and sedans (2012–2019). It combines direct injection with a single-scroll turbocharger to deliver brisk low‑rpm response and urban fuel efficiency. Designed to meet Euro 5 and Euro 6 standards, it balances entry-level performance with emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 80.0 mm | |
Power output | 92 kW (125 PS) | |
Torque | 200 Nm @ 1,400–3,500 rpm | |
Fuel system | Direct injection (Bosch HDEV5, up to 200 bar) | |
Emissions standard | Euro 5 (2012–2014); Euro 6 (2015–2019) | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single-scroll turbo (Honeywell) | |
Timing system | Chain (front‑mounted) | |
Oil type | VW 502 00 / 504 00 (SAE 5W‑40) | |
Dry weight | 112 kg |
The Volkswagen CDLG was used across Volkswagen's Polo, Ameo, and shared within the VAG group for Škoda and SEAT. This engine received platform-specific calibrations—revised cooling ducts in the Ameo for tropical climates and modified intake manifolds in the Fabia—and from 2015 Euro 6 variants adopted updated ECU maps and GPF-ready exhaust manifolds, creating minor software interchange limits. Partnerships allowed Škoda’s Fabia III and SEAT’s Ibiza to use identical engine hardware. All adaptations are documented in OEM technical bulletins.
The CDLG's primary reliability risk is carbon buildup on intake valves due to its direct-injection-only design, with elevated incidence in stop-start urban use. Volkswagen internal data cited in SIB 2016‑04 noted reduced airflow and misfires in high-mileage examples, while UK DVSA records show increased emissions-related MOT failures after 80,000 km in short-trip vehicles. Extended oil intervals and low-quality fuel accelerate turbo bearing wear and timing chain tensioner degradation, making oil specification and service discipline critical.
Analysis derived from Volkswagen technical bulletins (2014–2018) and UK DVSA failure statistics (2016–2023). 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 CDLG offers strong low-end torque and efficiency but is prone to intake valve carbon buildup due to its direct-injection-only design. Well-maintained examples using VW 502 00/504 00 oil and 95+ RON fuel can be dependable. Periodic intake cleaning and strict service intervals are essential for longevity.
Top issues include carbon buildup on intake valves, turbocharger bearing wear, high-pressure fuel pump failure, and timing chain tensioner degradation. These are documented in Volkswagen service bulletins and UK MOT failure data, particularly in urban-driven or high-mileage vehicles.
The CDLG powered the Polo (6R/6C, 2012–2019), Ameo (2016–2019), and was shared with Škoda Fabia III and SEAT Ibiza (2015–2019) with 125 PS. Early models meet Euro 5; 2015 onward comply with Euro 6 emissions standards.
Yes. Stage 1 ECU remaps typically yield +20–30 kW safely, as the turbo and internals support moderate increases. However, aggressive tuning without upgraded fueling or cooling may accelerate HPFP and turbo wear. Always pair tuning with enhanced maintenance and high-octane fuel.
Very good for a turbo petrol. In a Polo 1.4 TSI, expect ~6.2 L/100km (city) and ~4.3 L/100km (highway), or ~52 mpg UK combined. Real-world mixed driving typically returns 45–52 mpg (UK), assuming proper servicing and driving style.
Yes. The CDLG is an interference engine. If the timing chain fails or jumps, piston-to-valve contact can cause catastrophic damage. While chain issues are uncommon with proper maintenance, any unusual noise warrants immediate inspection.
Volkswagen mandates 5W-40 synthetic oil meeting VW 502 00 or 504 00 specification. This ensures proper turbo and chain lubrication. Never use 507 00 (diesel spec) or non-approved oils, as they may increase sludge and wear.
Comprehensive technical documentation and regulatory references
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Regulation (EC) No 715/2007
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