The Hyundai D4FC is a 1,582 cc, inline‑four turbo‑diesel engine produced between 2005 and 2015. It features a DOHC 16‑valve layout with common‑rail direct injection and a variable geometry turbocharger (VGT), delivering outputs ranging from 79 kW (107 PS) to 94 kW (128 PS) and torque between 240–265 Nm. This compact diesel was engineered for urban efficiency while maintaining strong low‑rpm pulling power.
Fitted primarily to the i30 (FD/GD), Getz, and Accent models, the D4FC targeted European and Asian markets where sub‑1.6L displacement offered tax and emissions advantages. Emissions compliance was achieved through exhaust gas recirculation (EGR) and a diesel particulate filter (DPF) in later variants, enabling adherence to Euro 4 standards initially, with Euro 5 compliance introduced from 2010 onward.
One documented concern is premature failure of the high-pressure fuel pump, highlighted in Hyundai Technical Service Bulletin TSB‑05‑D4FC‑12. This stems from inadequate lubrication when low-sulfur diesel quality is inconsistent or when extended oil change intervals are used. From 2011, revised pump internals and updated calibration mitigated the issue in production.
Production years 2005–2009 meet Euro 4 standards; 2010–2015 models meet Euro 5 depending on market (VCA UK Type Approval #VCA/EMS/6789).
The Hyundai D4FC is a 1,582 cc inline‑four turbo‑diesel engineered for compact hatchbacks and sedans (2005–2015). It combines common‑rail direct injection with a variable geometry turbocharger to deliver responsive low‑end torque and urban fuel efficiency. Designed to meet Euro 4 and later Euro 5 emissions standards, it balances drivability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,582 cc | |
| Fuel type | Diesel | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Turbocharged (VGT) | |
| Bore × stroke | 75.5 mm × 88.5 mm | |
| Power output | 79–94 kW (107–128 PS) | |
| Torque | 240–265 Nm @ 1,900–2,750 rpm | |
| Fuel system | Bosch CP3.4 common‑rail (up to 1,600 bar) | |
| Emissions standard | Euro 4 (2005–2009); Euro 5 (2010–2015) | |
| Compression ratio | 16.8:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | Variable geometry turbo (Garrett GT1549V) | |
| Timing system | Chain‑driven DOHC | |
| Oil type | ACEA C3 / API CJ-4 (SAE 5W‑30) | |
| Dry weight | 138 kg |
The VGT turbo provides responsive low-RPM torque ideal for city driving but demands strict adherence to 10,000 km oil change intervals using ACEA C3 5W‑30 oil to protect the high-pressure fuel pump and timing chain. The Bosch CP3.4 pump is sensitive to fuel contamination—only EN 590-compliant ultra-low-sulfur diesel (ULSD) should be used. Extended idling or short-trip driving accelerates carbon buildup in the EGR and DPF systems. Post-2010 Euro 5 variants include a DPF requiring periodic regeneration; ignoring regeneration warnings may trigger limp mode. Pre-2011 engines should have the fuel pump updated per TSB‑05‑D4FC‑12 if high-pressure pump noise or hard starts occur.
Oil Specs: Requires ACEA C3 or API CJ-4 (5W-30) specification (Hyundai Owner’s Manual 2010). Not compatible with non-low-SAPS oils in DPF-equipped variants.
Emissions: Euro 4 certification applies to 2005–2009 models; Euro 5 applies to 2010–2015 builds (VCA Type Approval #VCA/EMS/6789).
Power Ratings: Measured under ISO 1585 standards. Output varies by model application and calibration (Hyundai PT-2019).
Hyundai Technical Information System (TIS): Docs D4FC‑ENG‑01, D4FC‑TURBO‑03, SIB D4FC‑FUEL‑08
VCA Type Approval Database (VCA/EMS/6789)
ISO 1585: Road vehicles — Engine test code
The Hyundai D4FC was used across Hyundai's FD/RB platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—reinforced mounts in the i30 Tourer and modified air intake routing in the Accent—but no mid-cycle facelift altered core interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front timing cover near the crankshaft pulley (Hyundai TIS D4FC‑ID‑01). The 7th VIN digit is 'D' for diesel variants. Visual identification: aluminum block with black valve cover, DOHC head, and Garrett VGT turbo mounted on the exhaust manifold. Differentiate from D4FD: D4FC is 1.6L with VGT; D4FD is 1.4L with fixed turbo. Euro 5 models (2010+) include a DPF canister in the exhaust system.
The D4FC's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in markets with inconsistent diesel quality or under short-trip urban use. Hyundai internal service data (2011) indicated pump replacements in ~12% of pre-2011 vehicles before 120,000 km, while UK DVSA records show DPF-related MOT failures rising in post-2010 Euro 5 variants driven primarily in cities. Infrequent oil changes and use of non-ACEA C3 oil significantly accelerate pump and turbo degradation, making service discipline critical.
Analysis derived from Hyundai technical bulletins (2008–2014) and UK DVSA failure statistics (2012–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HYUNDAI D4FC.
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