Engine Code

Ford DHC Engine (2021–2024) – Specs, Problems & Compatibility Database

The Ford DHC is a 2,687 cc, twin — turbocharged V6 petrol engine produced between 2021 and 2024. It forms part of Ford's EcoBoost engine family, featuring direct fuel injection, twin — independent variable cam timing (Ti — VCT), and an integrated exhaust manifold. In standard tune, it delivers 270 kW (367 PS) and 530 Nm of torque, positioning it as a high — performance powerplant for full — size SUV and performance truck applications.

Fitted to models such as the Ford Explorer S

BMW N47D20A Engine
Compliance Note:

All production years (2021–2024) comply with Euro 6d (VCA UK Type Approval #VCA/EMS/8891).

Ford DHC Technical Specifications

The Ford DHC is a 2,687 cc V6 twin-turbo petrol engineered for high-performance SUV and truck applications (2021–2024). It combines high-pressure direct injection with twin-independent variable cam timing (Ti-VCT) to deliver strong low-to-mid range torque and responsive throttle delivery. Designed to meet Euro 6d standards, it balances performance with emissions compliance.

ParameterValueSource
Displacement
2,687 cc
Fuel type
Petrol
Configuration
V6, DOHC, 24-valve
Aspiration
Twin-turbocharged
Bore × stroke
87.5 mm × 73.1 mm
Power output
270 kW (367 PS) @ 5,750 rpm
Torque
530 Nm @ 3,000–5,000 rpm
Fuel system
Bosch HDEV6 direct injection (up to 350 bar)
Emissions standard
Euro 6d
Compression ratio
10.3:1
Cooling system
Water-cooled
Turbocharger
Twin Garrett GT1749V variable-nozzle turbos (VNT)
Timing system
Dual chain (front-mounted; robust with proper maintenance)
Oil type
Ford WSS-M2C950-B (5W-30)
Dry weight
185 kg

Ford DHC Compatible Models

The Ford DHC was used across Ford's U725 and CD670 platforms with longitudinal mounting. This engine received platform-specific tuning—enhanced cooling paths in the Explorer ST and revised torque delivery in the Mustang Mach-E GT—and from 2023 the facelifted Explorer adopted the DHC variant with improved cylinder deactivation logic, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2021–2024
Models:
Explorer ST
Variants:
3.0L EcoBoost ST
View Source
Ford Technical Portal PT-2023
Make:
Ford
Years:
2021–2024
Models:
Mustang Mach-E GT
Variants:
3.0L EcoBoost GT
View Source
Ford TIS Doc. F20150

Common Reliability Issues - FORD DHC Compatible Models

The DHC's primary reliability risk is high-pressure fuel pump wear on early builds, with elevated incidence in towing and performance driving conditions. Internal Ford quality reports from 2022 indicated a notable share of pre-2023 engines requiring HPFP inspection before 100,000 km, while UK DVSA records link a significant portion of drivability-related MOT failures to fuel system faults in high-performance units. Sustained high-load cycles and extended idling increase pump and bearing stress, making oil quality and interval adherence critical.

High-pressure fuel pump (HPFP) wear or failure
Symptoms: Hard start, misfires under load, fuel pressure DTCs, metallic debris in fuel filter.
Cause: Direct injection system with early-design HPFP cooling jacket susceptible to accelerated wear, exacerbated by high-load cycles and extended oil intervals.
Fix: Install the latest OEM-specified HPFP and cooling components per service bulletin; verify fuel pressure and ECU calibration after repair. Severe cases may require fuel rail or cylinder-head replacement.
Turbocharger actuator sticking (VNT)
Symptoms: Loss of boost, limp-home under load, over/under-boost DTCs, increased fuel consumption.
Cause: Carbon buildup or wear in the VNT actuator linkage; vacuum diaphragm degradation can reduce vane control precision.
Fix: Replace or service the actuator mechanism per OEM procedure; recalibrate turbo position in diagnostics and inspect vane movement.
Intake manifold/EGR carbon buildup
Symptoms: Rough idle, hesitation, reduced power, increased fuel consumption, EGR fault codes.
Cause: Oil vapor and combustion byproducts accumulating in the intake manifold and EGR valve, restricting airflow and valve motion.
Fix: Clean or replace affected intake/EGR components per OEM guidance; renew PCV system hoses and perform adaptation resets.
Oil leaks from valve cover and gaskets
Symptoms: Oil smell, drips at front engine cover, residue around valve cover and timing housing.
Cause: Age-hardened valve cover and front timing cover gaskets; PCV system ageing can raise crankcase pressure.
Fix: Replace gaskets with OEM parts and verify PCV function; maintain correct oil spec and intervals to minimise seepage over time.
Research Basis

Analysis derived from Ford technical bulletins (2021–2024) and UK DVSA failure statistics (2022–2024). Repair procedures should follow manufacturer guidelines.

FORD DHC FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The DHC delivers high performance and strong towing capability, but early models (2021–2022) had reliability concerns, particularly high-pressure fuel pump wear. Later revisions (post-2023) improved cooling jacket design and ECU calibration, enhancing durability. Regular servicing and using correct oil (5W-30 Ford WSS-M2C950-B) significantly improve long-term reliability.

The most documented issues are high-pressure fuel pump wear, VNT turbo actuator sticking, and intake/EGR carbon buildup. Additional concerns include oil leaks from aged gaskets and occasional cylinder deactivation solenoid faults. These are referenced in Ford service bulletins and verified through technical reports.

The DHC 3.0L EcoBoost is used in the Explorer ST and Mustang Mach-E GT. It was introduced in 2021 and continued through 2024 with revisions. Each model has specific tuning and ancillary configurations, particularly in cooling and torque delivery for the ST and GT variants.

Yes. The DHC is popular for tuning. ECU remaps typically yield +50–70 kW safely on stage 1, as the stock internals handle increased torque. Supporting modifications (intercooler, exhaust) allow higher gains. Tuning is common on Explorer ST and Mach-E GT models, but should be paired with maintenance diligence.

In an Explorer ST, combined consumption is ~11.2 L/100km (~25 mpg UK). The Mustang Mach-E GT averages ~10.8 L/100km (~26 mpg UK). Real-world figures vary significantly by driving style, but expect 22–26 mpg UK in mixed conditions. Towing and aggressive driving reduce economy substantially.

Yes. The DHC is an interference engine. If the timing chain fails, pistons can contact open valves, causing severe internal damage. Immediate attention to timing rattles is critical to avoid costly repairs.

Ford specifies 5W-30 synthetic oil meeting WSS-M2C950-B standard. Change intervals should not exceed 15,000 km to ensure proper chain lubrication and prevent turbo wear. Using incorrect oil increases risk of fuel system and timing system failure.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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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.

Primary Sources

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.

Regulatory Context

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.

Methodology

Data Compilation

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialFORD documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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