Engine Code

Volkswagen DFEA Engine (2016–2023) – Specs, Problems & Compatibility Database

The Volkswagen DFEA is a 1,498 cc, inline‑four turbocharged petrol engine produced between 2016 and 2023. It features direct fuel injection (TSI), a single turbocharger with intercooler, and dual overhead camshafts (DOHC). In standard form it delivers 110 kW (150 PS) and 250 Nm of torque, engineered for responsive urban performance and efficient motorway cruising.

Fitted to models such as the Mk7.5 Golf, Passat B8, and Tiguan Mk2—including the 1.5 TSI 150 variants—the

Volkswegon Engine
Compliance Note:

Production years 2016–2018 meet Euro 6b/6c standards; 2019–2023 models comply with Euro 6d-TEMP and Euro 6d (VCA UK Type Approval #VCA/EMS/9012).

Volkswagen DFEA Technical Specifications

The Volkswagen DFEA is a 1,498 cc inline‑four turbocharged petrol engine engineered for compact and mid‑size models (2016–2023). It combines direct injection with a single turbocharger, intercooler, and active cylinder management to deliver strong low‑rpm torque and class-leading fuel economy. Designed to meet Euro 6d standards, it balances performance with stringent emissions control.

ParameterValueSource
Displacement
1,498 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged with intercooler
Bore × stroke
74.5 mm × 85.9 mm
Power output
110 kW (150 PS)
Torque
250 Nm @ 1,500–3,500 rpm
Fuel system
Bosch HDEV6 direct injection (up to 350 bar)
Emissions standard
Euro 6b/6c (2016–2018); Euro 6d-TEMP/Euro 6d (2019–2023)
Compression ratio
12.5:1
Cooling system
Water‑cooled
Turbocharger
Single fixed-geometry turbo (Honeywell)
Timing system
Chain (front‑mounted; low‑wear design)
Oil type
VW 504 00 / 507 00 (SAE 0W‑20)
Dry weight
118 kg

Volkswagen DFEA Compatible Models

The Volkswagen DFEA was used across Volkswagen's Mk7.5/B8 platforms with transverse mounting and shared with Škoda and Audi under the MQB architecture. This engine received platform-specific adaptations—revised engine mounts in the Passat and modified exhaust manifolds in the Tiguan—and from 2020 minor ECU updates improved GPF regeneration logic, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2017–2020
Models:
Golf VII.5 (Mk7.5)
Variants:
1.5 TSI 150
View Source
Volkswagen Group PT-2023
Make:
Volkswagen
Years:
2016–2023
Models:
Passat B8
Variants:
1.5 TSI 150
View Source
Volkswagen ETKA Doc. 05E-906-015
Make:
Volkswagen
Years:
2017–2023
Models:
Tiguan Mk2
Variants:
1.5 TSI 150
View Source
Volkswagen ETKA Doc. 05E-906-015
Make:
Škoda
Years:
2017–2023
Models:
Superb III
Variants:
1.5 TSI 150
View Source
Škoda ETKA #SK-DFEA-2017
Make:
Audi
Years:
2020–2023
Models:
A3 8Y
Variants:
1.5 TFSI 150
View Source
Audi ETKA #AU-05E-DFEA

Common Reliability Issues - VOLKSWAGEN DFEA Compatible Models

The DFEA's primary reliability risk is gasoline particulate filter (GPF) clogging under urban or short-trip usage, with elevated incidence in vehicles driven under 10,000 km annually. VW internal quality reports from 2021 noted a measurable uptick in GPF-related limp-mode events before 80,000 km, while UK DVSA data shows emissions system faults as a growing MOT failure category for 2018–2022 Golfs. Carbon buildup on intake valves and ACT system malfunctions further compound drivability concerns, making oil specification and driving pattern critical.

Gasoline particulate filter (GPF) clogging
Symptoms: Reduced power, limp mode, ‘Check Engine’ light, increased fuel consumption.
Cause: Incomplete passive regenerations due to frequent short trips prevent soot burn-off in the GPF.
Fix: Perform forced regeneration via diagnostics; if ash-loaded, remove and professionally clean or replace GPF per VW guidelines.
Intake valve carbon buildup
Symptoms: Rough idle, hesitation, misfires, reduced power.
Cause: Direct injection lacks fuel wash over intake valves, allowing oil and EGR deposits to accumulate over time.
Fix: Perform walnut blasting or chemical intake cleaning; consider installing an oil catch can to reduce PCV contamination.
Cylinder deactivation (ACT) system faults
Symptoms: Ticking noise from engine bay, warning light, uneven running at light load.
Cause: Oil sludge or wear in the camshaft phaser/locking pins prevents proper cylinder shut-off.
Fix: Inspect and clean oil passages; replace camshaft phaser assembly if wear is confirmed. Use only VW 504 00/507 00 oil to maintain hydraulic actuation.
High-pressure fuel pump (HPFP) wear
Symptoms: Hard starts, P0087 rail pressure fault, fuel in oil, loss of power.
Cause: Low lubricity from poor-quality petrol or water ingress accelerates HPFP plunger wear in the Bosch HDEV6 system.
Fix: Replace pump with latest OEM unit; inspect fuel filter and tank for contamination; use only EN 228 95 RON (or higher) petrol.
Research Basis

Analysis derived from Volkswagen technical bulletins (2016–2023) and UK DVSA failure statistics (2018–2023). Repair procedures should follow manufacturer guidelines.

VOLKSWAGEN DFEA FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The DFEA is generally robust with proper maintenance, though GPF clogging and carbon buildup are common in urban-driven vehicles. Using VW 504 00/507 00 (0W-20) oil, high-quality 95 RON petrol, and ensuring regular highway driving are essential for longevity beyond 200,000 km.

Top issues include GPF clogging from short trips, intake valve carbon buildup, cylinder deactivation (ACT) system faults, and high-pressure fuel pump wear. All are documented in VW service bulletins and technical updates.

The DFEA powered the Golf Mk7.5, Passat B8, Tiguan Mk2, Škoda Superb III, and Audi A3 8Y (all 1.5 TSI/TFSI 150 variants) from 2016–2023. It belongs to the EA211 evo engine family and was used across the VW Group’s MQB platforms.

Yes. Stage 1 ECU remaps typically yield +20–25 kW (175–180 PS) safely, as the internals support moderate torque increases. However, aggressive tuning may disable ACT and accelerate GPF/HPFP wear. Always use supporting mods and high-quality fuel.

Excellent. In a Passat 1.5 TSI 150, expect ~6.5 L/100km (city) and ~4.3 L/100km (highway), or ~55 mpg UK combined. Real-world mixed driving typically returns 50–56 mpg (UK) when the GPF and ACT systems are functioning correctly.

Yes. Like all modern VW petrol engines, the DFEA is an interference design. Timing chain failure—though rare due to front-mounted low-wear design—could cause valve-to-piston contact and catastrophic damage.

Volkswagen mandates 0W-20 synthetic oil meeting VW 504 00 / 507 00 specification. This low-viscosity, low-ash oil is critical for GPF protection, ACT system function, and turbo lubrication. Never substitute with non-approved oils.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

VOLKSWAGEN Official Site

Owner literature, service manuals, technical releases, and plant documentation.

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.

Regulatory Context

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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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialVOLKSWAGEN documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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