Volkswagen DFLA Engine (2015–2020) – Specs, Problems & Compatibility Database

The Volkswagen DFLA is a 1,968 cc, inline‑four turbo‑diesel engine produced between 2015 and 2020. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivers 110 kW (150 PS) and 340 Nm of torque, engineered for responsive low — end pull and highway efficiency.

Fitted to models such as the Mk7 Golf, Mk3 Touran, and T6 Transporter, including the 2.0 TDI 150 variants, the DFLA was engineer…

Volkswegon Engine
Compliance Note:

All production years 2015–2020 meet Euro 6 emissions standards .

Volkswagen DFLA Technical Specifications

The Volkswagen DFLA is a 1,968 cc inline‑four turbo‑diesel engineered for compact and MPV applications (2015–2020). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and efficient cruising. Designed to meet Euro 6 standards via SCR/AdBlue and DPF, it balances performance with strict emissions compliance.

ParameterValueSource
Displacement
1,968 cc
Fuel type
Diesel (EN 590)
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Turbocharged
Bore × stroke
81.0 mm × 95.5 mm
Power output
110 kW (150 PS)
Torque
340 Nm @ 1,750–3,000 rpm
Fuel system
Bosch CP4.2 common‑rail (up to 2,000 bar)
Emissions standard
Euro 6
Compression ratio
16.2:1
Cooling system
Water‑cooled
Turbocharger
Single variable‑geometry turbo (Honeywell)
Timing system
Chain (front‑mounted)
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
158 kg

Volkswagen DFLA Compatible Models

The Volkswagen DFLA was used across Volkswagen's Mk7/T6 platforms with transverse mounting and shared within the Volkswagen Group. This engine received platform-specific adaptations—reinforced mounts in the T6 Transporter and revised cooling in the Golf SV—and from 2018 the HPFP and ECU calibration were updated, creating service part distinctions. Partnerships enabled use in SEAT and Škoda models under different engine codes. All adaptations are documented in OEM technical bulletins.

Make:
Volkswagen
Years:
2015–2020
Models:
Golf VII (Mk7)
Variants:
2.0 TDI 150
View Source
Volkswagen ETKA 2020
Make:
Volkswagen
Years:
2015–2020
Models:
Touran III (Mk3)
Variants:
2.0 TDI 150
View Source
Volkswagen ETKA 2020
Make:
Volkswagen
Years:
2016–2020
Models:
Transporter T6
Variants:
2.0 TDI 150
View Source
Volkswagen TIS Doc. 03G‑T601
Make:
SEAT
Years:
2016–2020
Models:
Leon Mk3
Variants:
2.0 TDI 150 (engine code DFLA)
View Source
SEAT ETKA #S-ETKA-2020

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Common Reliability Issues - VOLKSWAGEN DFLA Compatible Models

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.

High-pressure fuel pump (HPFP) failure
Symptoms: Hard starts, misfires, loss of power, P0087/P0090 fuel rail pressure codes.
Cause: Bosch CP4.2 pump susceptible to wear from low-lubricity diesel; exacerbated by extended oil/fuel service intervals.
Fix: Install updated OEM HPFP (post-2018 design) and flush fuel system; ensure use of EN 590 diesel and VW 507 00 oil per SIB 2017‑09‑01.
AdBlue system faults
Symptoms: Dashboard warning, reduced power, vehicle fails to restart after ignition cycle.
Cause: Crystallisation in dosing valve or NOx sensor drift due to low-quality AdBlue or infrequent use.
Fix: Clean or replace AdBlue dosing module; refill with ISO 22241‑compliant fluid; perform guided fault reset via OEM diagnostics.
DPF regeneration issues
Symptoms: Excessive soot warning, reduced fuel economy, limp mode during highway driving.
Cause: Incomplete passive regeneration due to short-trip driving; ash accumulation in filter over time.
Fix: Perform forced regeneration via diagnostics; inspect EGR and pressure sensors; replace DPF if ash load exceeds 150 g (per TIS procedure).
EGR cooler leaks
Symptoms: Coolant loss without external leak, white exhaust smoke, combustion misfires.
Cause: Thermal stress cracks in stainless steel EGR cooler core, allowing coolant ingress into intake.
Fix: Replace EGR cooler assembly with updated part; flush intake manifold and inspect for hydrolock damage per TIS guidance.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

VOLKSWAGEN DFLA FAQ Common Questions Answered

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

The DFLA is generally robust when maintained correctly, but early units (2015–2017) are prone to HPFP failure. Post-2018 revisions improved fuel system durability. Using EN 590 diesel, VW 507 00 oil, and adhering to 15,000 km service intervals greatly enhances longevity.

Top issues include high-pressure fuel pump failure, AdBlue system faults (dosing valve crystallisation), DPF regeneration problems, and EGR cooler leaks. These are documented in Volkswagen SIB 2017‑09‑01 and TIS service procedures.

The DFLA appears in the Golf VII, Touran III, T6 Transporter, and Caddy IV (2015–2020) as the 2.0 TDI 150. It was also used in SEAT Leon Mk3 and Škoda Octavia III under shared platform agreements within the Volkswagen Group.

Aftermarket ECU tuning is common on the DFLA 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. In a Golf 2.0 TDI 150, expect ~4.8 L/100km (city) and ~3.6 L/100km (highway), or ~58 mpg UK combined. Real-world mixed driving typically returns 50–55 mpg UK when DPF/AdBlue systems are functioning properly.

Yes. The DFLA 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 507 00 (5W‑30) low-ash synthetic oil. This specification is critical for DPF/AdBlue compatibility and HPFP lubrication. Never substitute with older specs like 505 01 or non-approved oils.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

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

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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

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VCA Certification Portal

Type-approval guidance and documentation.

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