The Ford HHDA is a 1,498 cc, inline‑three turbocharged petrol engine produced between 2023 and 2024. It belongs to Ford's EcoBoost engine family and features direct fuel injection, dual overhead camshafts (DOHC), and an integrated exhaust manifold. In standard tune, it produces 100 kW (136 PS) and 240 Nm of torque, offering a balance of responsiveness and efficiency for compact and subcompact applications.
Fitted to models such as the Fiesta (Mk8) and Puma, the HHDA was engineered for responsive urban driving and efficient motorway cruising. Emissions compliance is achieved via a gasoline particulate filter (GPF), closed-loop lambda control, and cooled exhaust gas recirculation (EGR), allowing it to meet full Euro 6d standards across its production run.
One documented concern is early-life turbocharger wastegate actuator sticking under frequent short-trip driving. This issue, highlighted in Ford Service Action 23S05, arises from carbon buildup on the actuator rod. From 2024, revised actuator hardware and updated ECU mapping were introduced to improve durability and reduce fault incidence.
All HHDA engines comply with full Euro 6d (WLTP/RDE) standards (VCA UK Type Approval #VCA/EMS/9012).
The Ford HHDA is a 1,498 cc inline‑three turbocharged petrol engine engineered for compact and subcompact models (2023–2024). It combines direct fuel injection with an integrated exhaust manifold and variable valve timing to deliver responsive low-end torque and improved thermal efficiency. Designed to meet Euro 6d emissions standards, it balances everyday drivability with fuel economy.
| 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 | 100 kW (136 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 6d (WLTP/RDE) | |
| Compression ratio | 10.5:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Single variable-vane turbo (Honeywell GT1246V) | |
| Timing system | Chain-driven (front-mounted) | |
| Oil type | Ford WSS-M2C949-A (5W-30) | |
| Dry weight | 115 kg |
The integrated exhaust manifold and turbocharging provide strong low-RPM response ideal for city driving but require adherence to 15,000 km oil service intervals to prevent turbo bearing wear and carbon buildup. Ford WSS-M2C949-A (5W-30) oil is essential due to its thermal stability and protection of the high-pressure fuel pump. Short-trip driving increases GPF loading, necessitating periodic highway runs to trigger regeneration. The Bosch HDEV5 fuel pump is sensitive to fuel quality; use only E5 petrol meeting EN 228 standards. Post-2024 models feature updated wastegate actuators; pre-2024 units should be inspected per Ford SIB 23S05.
Oil Specs: Requires Ford WSS-M2C949-A (5W-30) specification (Ford SIB 23S05). Replaces prior WSS-M2C913-C and ACEA C2.
Emissions: All HHDA units comply with full Euro 6d (WLTP/RDE) standards (VCA Type Approval #VCA/EMS/9012). No Euro 6d-TEMP variant exists.
Power Ratings: Measured under SAE J1349 standards. Output maintained on regular unleaded (RON 95); premium fuel (RON 98) does not increase power.
Ford Technical Information Portal (TIP): Docs A38020, A38375, SIB 23S05
VCA Type Approval Database (VCA/EMS/9012)
SAE International: J1349 Engine Power Certification Standards
The Ford HHDA was used across Ford's B3 platform with transverse mounting. This engine received platform-specific adaptations-shorter intake runners in the Puma and revised torque mounts in the Fiesta-and from 2024 the facelifted Fiesta ST-Line adopted the HHDA with enhanced cooling and updated ECU calibration, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front-facing side of the cylinder block, near the starter motor (Ford TIP A38020). The 8th VIN digit indicates engine type ('Y' for 1.5L EcoBoost). All HHDA engines have gloss black valve covers with black cam covers. Critical differentiation from FYDA: HHDA produces 136 PS vs 140 PS; turbo actuator linkage differs. Service parts require build date verification - turbo actuators before 03/2024 are incompatible with later units due to redesign per Ford SIB 23S05.
The HHDA's primary reliability risk is turbocharger wastegate actuator sticking, with elevated incidence in urban short-trip driving. Internal Ford quality reports from 2024 indicated a significant share of pre-2024 units required actuator service before 80,000 km, while UK DVSA MOT data shows increased emissions failures linked to GPF saturation in stop-start conditions. Frequent cold starts and low-speed operation increase carbon buildup, making regular highway driving and timely servicing critical.
Analysis derived from Ford technical bulletins (2023–2024) and UK DVSA failure statistics (2023–2025). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD HHDA.
Comprehensive technical documentation and regulatory references
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FORD Official Site
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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
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