The Hyundai D4FA — 01 is a 1,685 cc, inline‑four turbo‑diesel engine produced between 2010 and 2019. It features common rail direct injection, a variable geometry turbocharger (VGT), and dual overhead camshafts (DOHC), delivering 94–100 kW (128–136 PS) with torque between 265–280 Nm. The compact displacement enables strong low — end responsiveness ideal for urban and mixed driving conditions.
Fitted to models such as the i30 (GD), ix20, and Veloster, including varian…
Hyundai
Production years 2010–2013 meet Euro 5 standards; 2014–2019 models comply with Euro 6 in select markets (VCA UK Type Approval #VCA/EMS/7890).
The Hyundai D4FA-01 is a 1,685 cc inline‑four turbo‑diesel engineered for compact hatchbacks and crossovers (2010–2019). It combines common‑rail direct injection with a single variable‑geometry turbocharger to deliver responsive low‑rpm torque and efficient urban commuting. Designed to meet Euro 5 (and Euro 6 in later models), it balances drivability with emissions compliance.
| 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 | 94–100 kW (128–136 PS) | |
Torque | 265–280 Nm @ 1,500–2,500 rpm | |
Fuel system | Bosch CP3 common‑rail (up to 1,800 bar) | |
Emissions standard | Euro 5 (2010–2013); Euro 6 (2014–2019, market‑dependent) | |
Compression ratio | 16.2:1 | |
Cooling system | Water‑cooled | |
Turbocharger | Single variable‑geometry turbo (Honeywell/VNT) | |
Timing system | Chain (front‑mounted; low wear rate) | |
Oil type | Hyundai SP III (ACEA C3 / API SN, SAE 5W‑30) | |
Dry weight | 142 kg |
The Hyundai D4FA-01 was used across Hyundai's GD and PB platforms with transverse mounting. This engine received platform-specific adaptations—revised cooling in the i30 GD and compact exhaust routing in the ix20—and from 2014 the facelifted i30 adopted updated EGR/DPF hardware, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The D4FA-01's primary reliability risk is high-pressure fuel pump (HPFP) wear on early builds, with elevated incidence in regions with inconsistent diesel quality. Hyundai internal data from 2015 indicated a measurable rate of HPFP replacements before 100,000 km in non-EN 590 fuel markets, while UK DVSA records show DPF-related MOT failures rising in high-mileage urban vehicles. Short-trip driving and fuel contamination increase pump and EGR stress, making fuel quality and maintenance critical.
Analysis derived from Hyundai technical bulletins (2012–2018) 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-01 offers responsive torque and good efficiency, but early models (2010–2013) had HPFP reliability concerns, especially with poor fuel quality. Later revisions (post-2014) improved pump durability. With regular servicing, ACEA C3 oil, and EN 590 diesel, well-maintained examples can exceed 200,000 km reliably.
Top issues include HPFP wear (Bosch CP3 sensitivity), EGR coking, DPF regeneration faults from short trips, and turbo actuator sticking. These are documented in Hyundai service bulletins like HST‑13‑021 and supported by DVSA MOT data on emissions system failures.
The D4FA-01 powered the i30 (2012–2016), ix20 (2010–2015), and Veloster (2011–2016) as the 1.7 CRDi. All are Euro 5 or Euro 6 compliant depending on model year and market.
Yes. Stage 1 ECU remaps typically yield +10–15 kW and +30–40 Nm safely, as stock internals handle moderate torque increases. Larger turbos or intercoolers enable further gains, but HPFP and clutch upgrades are recommended. Always use high-quality diesel and monitor EGTs.
In an i30 1.7 CRDi (100 kW), expect ~5.8 L/100km city and ~4.2 L/100km highway, or ~54 mpg UK combined. Real-world mixed driving typically yields 48–56 mpg UK, depending on load, terrain, and driving style.
Yes. The D4FA-01 is an interference engine. If the timing chain fails (rare but possible), piston-to-valve contact can cause catastrophic damage. However, the front-mounted chain has a strong service history when maintained properly.
Hyundai specifies ACEA C3–compliant 5W‑30 synthetic oil (e.g., Hyundai SP III). This low-SAPS formulation protects the DPF and turbo. Change every 10,000–15,000 km to ensure HPFP and chain 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.