The Ford QYBA is a 1,499 cc, inline‑three turbo‑petrol engine produced between 2015 and 2022. It features gasoline direct injection, a single twin‑scroll turbocharger, and dual overhead camshafts (DOHC). In standard form it delivered 103 kW (140 PS) and 240 Nm of torque, offering responsive urban performance with compact packaging.
Fitted to models such as the Focus (MK4), Puma, and Fiesta (facelifted 2017+), the QYBA was engineered for efficiency — focused drivers se…
All production years (2015–2022) meet Euro 6b standards .
The Ford QYBA is a 1,499 cc inline‑three turbo‑petrol engineered for compact hatchbacks and crossovers (2015–2022). It combines gasoline direct injection with a twin‑scroll turbocharger to deliver brisk low‑rpm response and urban efficiency. Designed to meet Euro 6b emissions standards, it balances drivability with regulatory compliance.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,499 cc | |
Fuel type | Petrol (ULP 95 RON min) | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Turbocharged | |
Bore × stroke | 79.0 mm × 81.4 mm | |
Power output | 103 kW (140 PS) @ 6,000 rpm | |
Torque | 240 Nm @ 1,600–4,000 rpm | |
Fuel system | Bosch HDP6 high‑pressure direct injection (up to 200 bar) | |
Emissions standard | Euro 6b | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled with electric auxiliary pump | |
Turbocharger | Single twin‑scroll (Honeywell GT1544V) | |
Timing system | Belt‑driven (120,000 km or 10‑year replacement interval) | |
Oil type | Ford WSS‑M2C946‑A (SAE 5W‑30) | |
Dry weight | 102 kg |
The Ford QYBA was used across Ford's C2/B2E platforms with transverse mounting and no external licensing. This engine received platform-specific adaptations—reinforced mounts in the Puma and revised air intake routing in the Focus—and from 2020 the mild-hybrid (MHEV) variant introduced a belt-integrated starter generator (BISG), creating mechanical and electrical 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 QYBA offers strong urban performance but early units (2015–2018) had timing belt tensioner concerns. Post-TSB engines (2019+) are significantly more robust. With proper maintenance—95+ RON fuel, correct oil, and timely belt service—it can deliver reliable service beyond 200,000 km.
Top issues include timing belt tensioner pulley wear (pre-2019), high-pressure fuel pump failure, intake valve carbon buildup (due to direct injection), and plastic thermostat housing leaks. All are documented in Ford TSBs and service manuals.
The QYBA powered the 2017–2022 Fiesta, 2018–2022 Focus (MK4), and 2019–2022 Puma (including MHEV variants). It was never used in the EcoSport or Kuga, which adopted different EcoBoost engines.
Aftermarket ECU tuning is common on the QYBA 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 a Fiesta, expect ~6.8 L/100km (city), ~4.9 L/100km (highway), or ~48 mpg UK combined. Puma MHEV variants achieve ~4.5 L/100km due to regenerative braking and electric assist.
Yes. The QYBA is an interference engine. Timing belt failure—though preventable with scheduled replacement—can cause piston-to-valve contact and catastrophic damage.
Ford specifies SAE 5W-30 oil meeting WSS-M2C946-A standard. This low-SAPS formulation protects the turbo and emissions system. Change every 16,000 km or 12 months, whichever comes first.
Comprehensive technical documentation and regulatory references
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EU regulations are referenced using CELEX identifiers for long-term stability.
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.
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