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 efficiency, low-end torque, and emissions compliance. Emissions control was achieved through cooled exhaust gas recirculation (EGR), a diesel oxidation catalyst (DOC), and a diesel particulate filter (DPF), meeting Euro 5 standards across all production years.
One documented concern is premature wear of the high-pressure fuel pump (HPFP), leading to rail pressure instability and hard starting. This issue is highlighted in Hyundai Service Bulletin HST‑12‑018 and is often linked to prolonged use of non-compliant diesel or extended oil change intervals. From 2013, Hyundai introduced updated HPFP internals and revised ECU calibration to enhance durability.
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 VGT turbo provides responsive low-end torque ideal for city driving but requires strict adherence to 10,000–15,000 km oil change intervals using ACEA C3-compliant oil to protect the HPFP and turbo bearings. Bosch CP3.4 fuel pumps are sensitive to water and particulate contamination, necessitating use of EN 590 ultra-low-sulfur diesel (ULSD). Extended idling or frequent short trips accelerate carbon buildup in the EGR and DPF systems, triggering regeneration faults. Post-2013 engines include updated HPFP components per Hyundai SIB HST‑12‑018; pre-2013 units benefit from proactive replacement of the pump and fuel filter.
Oil Specs: Requires ACEA C3 (SAE 5W-30) oil meeting Hyundai SP III specification (Hyundai SIB HST‑12‑018).
Emissions: Euro 5 certification applies to all model years 2009–2015 (VCA Type Approval #VCA/EMS/4321). No Euro 6 variants were produced.
Power Ratings: Measured under SAE J1349 standards. Output consistent across all applications (Hyundai TIS Doc. H4F‑A105).
Hyundai Technical Information System (TIS): Docs H4F‑A101, H4F‑A103, H4F‑A105, SIB HST‑12‑018
VCA Type Approval Database (VCA/EMS/4321)
SAE International: J1349 Engine Power Certification Standards
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.
Locate the engine code stamped on the front timing cover near the crank pulley (Hyundai TIS H4F‑A100). The 8th VIN digit indicates engine displacement ('F' for 1.6L diesel). Pre-2013 models use Bosch CP3.4 HPFP with silver housing; post-2013 units have black housing and updated internals. Critical differentiation from Gamma gasoline engines: D4FA-02 has a single exhaust manifold feeding a VGT on the rear bank. ECU part numbers must match production date—units before 01/2013 require calibration update per SIB HST‑12‑018 for HPFP compatibility.
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.
Find answers to most commonly asked questions about HYUNDAI D4FA-02.
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EUR-Lex
EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
Euro emissions framework for vehicle type approval.
Commission Regulation (EU) 2017/1151
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