D3FA Diesel Injectors
Compatible with Hyundai i20, Kia Rio
- OEM Tested & Calibrated
- 12-Month Warranty
- Free UK Delivery
Select the correct injector for your D3FA engine below
Fits Hyundai i20, Kia Rio and more
Top injectors for D3FA
Compatible Injectors for D3FA
- OEM Tested
- 12-Month Warranty
- Free UK Delivery
Common problems solved by these injectors
About the D3FA engine
The D3FA is a 1.1 / 1.4 crdi common rail diesel engine. This engine uses Delphi diesel injectors.
How Diesel Injectors Are Remanufactured
Watch our 3D walkthrough of the diesel injector remanufacturing process and see how injectors are professionally restored for reliable service.
Vehicles Using D3FA Engine
| Vehicle | Engine | Years |
|---|---|---|
| Hyundai i20 injector | 1.1 CRDi | 2011–2014 |
| Kia Rio injector | 1.1 CRDi | 2011–2017 |
Common D3FA Injector Problems
Rough idle and engine vibration
Worn injector nozzles cause uneven fuel spray, leading to rough idle at low RPM. Most noticeable when the engine is cold.
Excessive exhaust smoke
Black or blue-grey smoke on acceleration indicates poor fuel atomisation. This is often caused by carbon buildup on the injector nozzle tip.
Poor fuel economy
A worn or leaking injector delivers incorrect fuel quantities, reducing efficiency by 10–20% in severe cases.
Engine misfire under load
Intermittent misfires during acceleration suggest one or more injectors are failing to deliver the correct fuel pressure.
Difficult cold starting
Degraded injector nozzles struggle to atomise fuel at lower cranking pressures, causing extended crank times in cold weather.
Loss of power
Gradual power loss across the rev range, particularly above 2500 RPM, can indicate injector flow rate degradation.
Increased diesel knock
Louder than normal combustion noise, especially at idle, can indicate incorrect injection timing due to worn injector internals.
D3FA Technical Specifications
Displacement
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Power
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Torque
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Fuel System
Common Rail Direct Injection
The D3FA is a 1.1 / 1.4 crdi common rail diesel engine. This engine uses Delphi diesel injectors.
Engine Intelligence
Hyundai / Kia 1.1 & 1.4 CRDi (D3FA / D4FC — i20, i30, Rio, Ceed)
Documented failure modes
- Excessive injector back-leak preventing rail pressure from building
- Nozzle wear degrading the spray pattern and causing rough running and smoke
- Fuel contamination damage — Delphi common-rail systems are sensitive to poor-quality diesel
Diagnostic guidance
- Run a leak-off (back-leak) comparison across all injectors before condemning one — a hard-start with P0087 often traces to a single high-return injector
- Delphi injectors carry a C2I/C3I calibration code — register the new code after fitting
- Rule out air in the low-pressure fuel system before replacing hardware on cranking-no-start complaints
- Use fresh sealing washers and clean the injector seats before refitting
Fitment note: The D3FA 1.1 and D4FC 1.4 CRDi share the Delphi injector platform but references differ across years and outputs — always match the reference etched on the injector body.
Related D3FA Engine Guides
Related Pages
Delphi 1.1 / 1.4 CRDi — browse compatible engines, vehicles, and injectors