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 .
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 | Refer to vehicle handbook / manufacturer specification | |
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.
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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.
Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.
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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.
Aftermarket ECU tuning is common on the D4FA-01 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.
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
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EU emissions and type-approval regulations (e.g., CELEX:32007R0715, CELEX:32017R1151).
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DVLA: Engine Changes & MoT
Official guidance on engine swaps and inspection implications.
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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.
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