The Hyundai D4FA — 02 is a 1,685 cc, inline‑four turbo‑diesel engine produced between 2009 and 2015. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC). In standard form it delivered 94 kW (128 PS) and 260 Nm of torque, engineered for responsive urban and highway driving.
Fitted to models such as the i30 FD, ix20, and Verna/RB, the D4FA — 02 was engineered for compact vehicle applications requiring fuel effi…
Hyundai
All production years 2009–2015 meet Euro 5 emissions standards (VCA UK Type Approval #VCA/EMS/4321).
The Hyundai D4FA-02 is a 1,685 cc inline‑four turbo‑diesel engineered for compact hatchbacks and sedans (2009–2015). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver strong low‑rpm torque and efficient urban commuting. Designed to meet Euro 5 standards, it balances everyday drivability with emissions control.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,685 cc | |
Fuel type | Diesel | |
Configuration | Inline‑4, DOHC, 16‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 77.2 mm × 90.0 mm | |
Power output | 94 kW (128 PS) | |
Torque | 260 Nm @ 1,900–2,500 rpm | |
Fuel system | Bosch CP3.4 common‑rail (up to 1,600 bar) | |
Emissions standard | Euro 5 | |
Compression ratio | 17.0:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (BorgWarner) | |
Timing system | Chain (front‑mounted) | |
Oil type | Hyundai SP III (ACEA C3, SAE 5W‑30) | |
Dry weight | 142 kg |
The Hyundai D4FA-02 was used across Hyundai's FD and RB platforms with transverse mounting and exclusive to compact applications. This engine received platform-specific cooling and exhaust routing—revised airflow ducting in the i30 FD and modified EGR placement in the Verna RB—and from 2013 the facelifted ix20 received updated HPFP calibration, creating minor ECU interchange limits. All adaptations are documented in OEM technical bulletins.
The D4FA-02's primary reliability risk is high-pressure fuel pump (HPFP) failure, with elevated incidence in vehicles using non-EN 590 diesel or operating in high-humidity climates. Hyundai internal data from 2013 indicated up to 9% of pre-2013 engines required HPFP replacement before 90,000 km, while UK DVSA records show DPF-related MOT failures rising after 70,000 km in urban-driven examples. Short-trip driving and poor fuel quality accelerate wear, making fuel specification and maintenance adherence critical.
Analysis derived from Hyundai technical bulletins (2012–2016) and UK DVSA failure statistics (2015–2023). 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 D4FA-02 offers good fuel economy and low-end torque, but pre-2013 models have known HPFP reliability concerns. Post-2013 revisions improved fuel system durability. With strict adherence to oil changes (10K–15K km) and use of EN 590 diesel, well-maintained examples can exceed 180,000 km without major issues.
Top issues include HPFP failure (especially pre-2013), DPF clogging from short trips, EGR valve carbon buildup, and turbo actuator sticking. These are documented in Hyundai service bulletins HST‑12‑018 and HST‑14‑022, with clear OEM repair protocols.
The D4FA-02 powered the i30 (FD, 2009–2012), ix20 (2010–2015), and Verna/RB (2011–2015) in 1.6 CRDi guise. All applications are transverse, Euro 5-compliant, and exclusive to markets including Europe, Korea, and India.
Yes. Stage 1 ECU remaps typically yield +15–20 kW and +40–60 Nm safely, as the inline-4 block and turbo can handle moderate load increases. However, HPFP reliability must be confirmed first—tuning without HPFP upgrade risks accelerated wear. Always use supporting fuel and cooling upgrades.
In an i30 FD, expect ~5.2 L/100km city and ~4.1 L/100km highway, or ~55 mpg UK combined. The lighter ix20 averages 4.8–5.0 L/100km. Real-world economy depends heavily on driving style and DPF regeneration frequency.
Yes. The D4FA-02 is an interference design. Timing chain failure—though rare due to front-mounted robust chain—could cause piston-to-valve contact. No widespread timing issues reported, but chain tensioner inspection is advised at 120,000 km.
Hyundai specifies ACEA C3-compliant 5W‑30 synthetic oil meeting SP III standard. This low-SAPS formulation protects the DPF and ensures HPFP lubrication. Oil changes every 10,000–15,000 km are critical for longevity.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with HYUNDAI or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
If a data point is not officially disclosed, it is marked 'Undisclosed'.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
HYUNDAI 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.
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.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialHYUNDAI documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.
All external links open in new tabs. Please verify current availability of resources.