The Volkswagen DGCA is a 1,395 cc, inline‑four turbocharged petrol engine produced between 2012 and 2020. It features direct fuel injection (TSI), dual overhead camshafts (DOHC), and a single turbocharger with an intercooler. In standard form it delivers 92 kW (125 PS) and 200 Nm of torque, engineered for responsive urban driving and efficient highway cruising.
Fitted to models such as the Mk7 Golf, Mk3 Touran, and T — Cross, including the 1.4 TSI 125 variants, the DGCA was…
All production years 2012–2020 meet Euro 6 emissions standards .
The Volkswagen DGCA is a 1,395 cc inline‑four turbocharged petrol engine engineered for compact and subcompact applications (2012–2020). It combines direct fuel injection with a single turbocharger and intercooler to deliver strong low‑rpm torque and efficient cruising. Designed to meet Euro 6 standards via EGR and three‑way catalyst, it balances performance with strict emissions compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,395 cc | |
Fuel type | Petrol (EN 228) | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged with intercooler | |
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 6 | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single fixed‑geometry turbo (Honeywell) | |
Timing system | Chain (front‑mounted) | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 128 kg |
The Volkswagen DGCA was used across Volkswagen's Mk7/T-Cross platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific adaptations—revised cooling in the Touran and reinforced mounts in the Golf—and from 2016 the PCV system and ECU calibration were updated, creating service part distinctions. Partnerships enabled use in Škoda and SEAT models under different engine codes. 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 DGCA is generally robust when maintained correctly, but pre-2016 units are prone to intake carbon buildup. Post-2016 revisions improved PCV routing. Using EN 228 petrol, VW 502 00/504 00 oil, and adhering to 15,000 km service intervals greatly enhances longevity.
Top issues include intake valve carbon deposits, high-pressure fuel pump wear, turbo actuator failure, and timing chain tensioner wear. These are documented in Volkswagen SIB 2015‑07‑03 and TIS service procedures.
The DGCA appears in the Golf VII, Touran III, T-Cross, and Polo Mk6 (2012–2020) as the 1.4 TSI 125. It was also used in Škoda Octavia III and SEAT León Mk3 under shared platform agreements within the Volkswagen Group.
Aftermarket ECU tuning is common on the DGCA 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 Golf 1.4 TSI 125, expect ~6.2 L/100km (city) and ~4.5 L/100km (highway), or ~52 mpg UK combined. Real-world mixed driving typically returns 45–50 mpg UK when engine is healthy.
Yes. The DGCA is an interference design. Timing chain failure—though rare due to front-mounted chain—can cause piston-to-valve contact and catastrophic damage. Immediate attention to timing-related noises is essential.
Volkswagen mandates VW 502 00 or 504 00 (5W‑30 or 5W‑40) synthetic oil. This specification ensures turbo and timing chain protection. Never substitute with non-approved or diesel-specific oils like 507 00.
Comprehensive technical documentation and regulatory references
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Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
EUR-Lex
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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