The Ford IQDB is a 1,498 cc, inline — three turbocharged petrol engine produced between 2018 and 2023. It forms part of Ford's EcoBoost engine family, featuring direct fuel injection, twin — independent variable cam timing (Ti — VCT), and a compact turbocharger for improved low — end response. In standard tune, it delivers 103 kW (140 PS) and 240 Nm of torque, offering a balance of urban drivability and highway efficiency.
Fitted to models such as the Focus ST — Line, Puma ST, an…
Production years 2018–2023 meet Euro 6.2 standards (VCA UK Type Approval #VCA/EMS/5678).
The Ford IQDB is a 1,498 cc inline-three turbocharged petrol engine engineered for compact performance applications (2018–2023). It combines direct fuel injection with twin-independent variable cam timing (Ti-VCT) to deliver responsive low-end torque and smooth power delivery. Designed to meet Euro 6.2 standards, it balances spirited driving dynamics with regulated emissions performance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,498 cc | |
Fuel type | Petrol | |
Configuration | Inline-3, DOHC, 12-valve | |
Aspiration | Turbocharged | |
Bore × stroke | 74.5 mm × 90.0 mm | |
Power output | 103 kW (140 PS) @ 6,000 rpm | |
Torque | 240 Nm @ 1,600–4,000 rpm | |
Fuel system | Bosch HDEV5 direct injection (up to 200 bar) | |
Emissions standard | Euro 6.2 (Regulation (EU) 2017/1151) | |
Compression ratio | 10.5:1 | |
Cooling system | Water-cooled | |
Turbocharger | Garrett GT1246V variable-nozzle turbo | |
Timing system | Timing chain (front-mounted, non-serviceable) | |
Oil type | Ford WSS-M2C947-A1 (5W-30) | |
Dry weight | 118 kg |
The Ford IQDB was used across Ford's C2 platform with transverse mounting and shared with Volvo under engine supply agreements. This engine received platform-specific calibrations-shorter intake runners in the Fiesta and revised torque curves in the Puma-and from 2020 the facelifted Focus adopted the IQDB-T variant with enhanced cooling, creating interchange limits. All adaptations are documented in OEM technical bulletins.
The IQDB's primary reliability risk is turbocharger bearing wear on early builds, with elevated incidence in short-trip urban use. Internal Ford quality reports from 2020 indicated a notable share of pre-2020 engines requiring turbo inspection before 100,000 km, while UK DVSA records show increased catalyst efficiency faults in city-driven examples. Frequent cold starts and extended idling increase thermal stress, making oil quality and interval adherence critical.
Analysis derived from Ford technical bulletins (2018-2023) and UK DVSA failure statistics (2020-2023). 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 IQDB offers strong performance and efficiency, but early models (2018–2019) had turbo reliability concerns. Later revisions (post-2020) improved oil feed and cooling, making well-maintained examples robust. Regular servicing and using Ford-specified oil (5W-30 WSS-M2C947-A1) significantly improve longevity.
Key issues include turbocharger bearing wear (especially pre-2020), direct injector carbon buildup, cold-start timing chain rattle, and coolant leaks from the thermostat housing. These are documented in Ford service bulletins and addressed through updated parts and maintenance protocols.
The IQDB powers the Fiesta Mk8 (ST-3, ST-Line), Puma (ST-Line, Puma ST), and Focus Mk4 (ST-Line, Titanium) from 2018–2023. It is also used in the Volvo XC40 B4 (2020–2023) under a supply agreement. All variants meet Euro 6.2 emissions standards.
Yes. The IQDB responds well to ECU remapping, with stage 1 tunes typically adding +25–35 kW. Stock internals handle moderate increases, but supporting mods (intercooler, exhaust) are recommended for higher power. Tuning must preserve fuel and timing maps to avoid knock or turbo damage.
In a Focus ST-Line (103 kW), combined consumption is ~6.8 L/100km (~42 mpg UK). City driving may see 8.0 L/100km, while highway runs can achieve 5.8 L/100km (~49 mpg UK). Real-world figures depend on driving style, but expect 40–48 mpg (UK) on mixed routes for a well-maintained unit.
Yes. The IQDB is an interference engine. If the timing chain fails or skips, piston-to-valve contact will occur, resulting in severe internal damage. Immediate attention to cold-start rattles and adherence to maintenance schedules is essential to prevent costly repairs.
Ford specifies 5W-30 synthetic oil meeting WSS-M2C947-A1 specification. Change intervals should not exceed 12,000 km or 12 months. Proper oil ensures turbo bearing protection, reduces carbon buildup, and maintains timing chain lubrication under high thermal loads.
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 FORD 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.
FORD 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 officialFORD 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.