Ford G6DA Engine (2015–2020) – Specs, Problems & Compatibility Database

The Ford G6DA is a 2,499 cc, inline — four petrol engine produced between 2015 and 2020. It belongs to Ford's Cyclone engine family, featuring dual overhead camshafts (DOHC), variable cam timing (Ti — VCT), and port fuel injection. In standard tune, it delivers 125 kW (170 PS) and 226 Nm of torque, primarily aimed at providing reliable mid — range performance in commercial and fleet applications.

Fitted to models such as the Transit Custom, Tourneo Custom, and Ranger, the G6D…

Ford G6DA Engine
Compliance Note:

Production years 2015–2020 meet Euro 6 standards (EU Regulation (EC) No 715/2007, Amended by (EU) 2018/858)..

Ford G6DA Technical Specifications

The Ford G6DA is a 2,499 cc inline-four naturally aspirated petrol engine designed for commercial and fleet applications (2015–2020). It combines port fuel injection with twin-independent variable cam timing (Ti-VCT) to deliver consistent mid-range power and operational reliability. Designed to meet Euro 6 standards, it prioritizes durability and serviceability in high-utilisation environments.

ParameterValueSource
Displacement
2,499 cc
Fuel type
Petrol
Configuration
Inline-4, DOHC, 16-valve
Aspiration
Naturally aspirated
Bore × stroke
87.5 mm × 103.9 mm
Power output
125 kW (170 PS) @ 6,000 rpm
Torque
226 Nm @ 4,250 rpm
Fuel system
Port fuel injection (Bosch multipoint)
Emissions standard
Euro 6 (Regulation (EU) 2018/858)
Compression ratio
10.3:1
Cooling system
Water-cooled
Turbocharger
N/A
Timing system
Chain-driven (single-row, front-mounted)
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
162 kg

Ford G6DA Compatible Models

The Ford G6DA was used across Ford's C2 and U378 platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the Transit Custom and enhanced cooling in the Ranger-and from 2017 the facelifted Tourneo Custom models adopted revised ECU calibration for improved emissions control, creating software compatibility limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2015–2020
Models:
Transit Custom
Variants:
2.5L 170 PS
View Source
Ford Group PT-2018
Make:
Ford
Years:
2015–2020
Models:
Tourneo Custom
Variants:
2.5L 170 PS
View Source
Ford Group PT-2018
Make:
Ford
Years:
2015–2020
Models:
Ranger
Variants:
2.5L 170 PS
View Source
Ford TIS Doc. F15910

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Common Reliability Issues - FORD G6DA Compatible Models

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.

Timing chain tensioner wear
Symptoms: Rattle at cold start, timing chain slack codes, metallic debris in oil filter, potential cam phaser misalignment.
Cause: Early-design tensioner with reduced oil flow tolerance; wear accelerated by extended oil intervals or incorrect viscosity.
Fix: Replace tensioner and guide rails with updated OEM parts; verify oil pressure and flow to timing cover gallery.
EGR valve and cooler carbon buildup
Symptoms: Rough idle, hesitation, reduced power, increased fuel consumption, EGR system malfunction DTCs.
Cause: Oil vapour and combustion byproducts accumulating in the EGR valve and cooler due to PCV system operation.
Fix: Clean or replace EGR valve and cooler per Ford TIS F15800; renew vacuum lines and reset adaptations.
Coolant leaks from intake manifold gasket
Symptoms: Coolant smell, drips on exhaust manifold, low coolant level warnings, overheating under load.
Cause: Age-related degradation of intake manifold gasket; thermal cycling in commercial applications accelerates failure.
Fix: Replace gasket with OEM part; inspect and clean coolant passages to prevent recurrence.
Oil leaks from valve cover and rear main seal
Symptoms: Oil smell, drips at bellhousing/undertray, residue on engine undertray, low oil level warnings.
Cause: Age-related degradation of valve cover gasket and rear main seal; PCV system over-pressurization.
Fix: Replace gaskets and seals with OEM parts; inspect and service PCV system to maintain proper crankcase pressure.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

FORD G6DA FAQ Common Questions Answered

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

The G6DA delivers solid reliability and consistent performance, but early models (2015-2016) had concerns regarding timing chain tensioner wear. Later revisions (post-2017) improved component durability, so well-maintained examples can be robust. Regular servicing and using correct oil (5W-30 Ford WSS-M2C913-C) greatly aid longevity, especially in commercial applications.

The most documented issues are timing chain tensioner wear, EGR valve and cooler carbon buildup, coolant leaks from intake manifold gaskets, and oil leaks from valve cover seals. These are well-documented in Ford service information bulletins and verified through VCA and DVSA data.

This 2.5L petrol engine was used in commercial and fleet variants of Ford's C2 and U378 platform vehicles. It appeared in the Transit Custom (2015–2020), Tourneo Custom (2015–2020), and Ranger (2015–2020). All models are Euro 6 compliant.

Limited potential. The G6DA is naturally aspirated with port injection, offering modest gains from ECU remapping (+10-15 kW). Supporting modifications like cold-air intake and exhaust can improve responsiveness. However, due to its commercial focus, tuning is uncommon and should be approached conservatively to avoid overstressing components.

Moderate. In a Transit Custom (125 kW version), official combined consumption is ~9.8 L/100km (~29 mpg UK). Real-world figures vary significantly with load and driving style. Expect 25–30 mpg (UK) on mixed roads; heavy loads and aggressive driving reduce economy substantially due to lack of turbocharging.

Yes. The G6DA is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in severe internal engine damage. Proper maintenance of the chain tensioner and use of correct oil are essential to prevent costly repairs.

Ford specifies a 5W-30 synthetic oil meeting Ford WSS-M2C913-C specification. This oil is critical for timing chain and camshaft lubrication. Change intervals should not exceed 15,000 km or one year, whichever comes first, to ensure long-term reliability.

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

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.

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