Engine Code

Ford G6DE Engine (2004-2010) – Specs, Problems & Compatibility Database

The Ford G6DE is a 2,360 cc, inline — five naturally aspirated petrol engine produced between 2004 and 2010. Part of the Ford Duratec family, it was engineered for smoothness and linear power delivery in mid — to — large vehicles. Featuring dual overhead camshafts (DOHC) and 20 — valve configuration, it delivered 127 kW (173 PS) and 223 Nm of torque, utilising variable cam timing (Ti — VCT) to enhance low — end responsiveness and high — RPM efficiency.

Fitted primarily to the For

BMW N47D20A Engine
Compliance Note:

Production years 2004–2010 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/8891).

Ford G6DE Technical Specifications

The Ford G6DE is a 2,360 cc inline-five petrol engine engineered for mid-size passenger vehicles (2004–2010). It combines Ti-VCT variable cam timing with port fuel injection to deliver smooth throttle response and consistent fuel economy. Designed to meet Euro 4 emissions standards, it balances refinement with long-term serviceability for high-mileage applications.

ParameterValueSource
Displacement
2,360 cc
Fuel type
Petrol
Configuration
Inline-5, DOHC, 20-valve
Aspiration
Naturally aspirated
Bore × stroke
89.0 mm × 76.0 mm
Power output
127 kW (173 PS) @ 6,250 rpm
Torque
223 Nm @ 4,250 rpm
Fuel system
Port fuel injection (PFI)
Emissions standard
Euro 4
Compression ratio
10.7:1
Cooling system
Water-cooled
Turbocharger
Not applicable
Timing system
Timing chain (front-mounted, single-row)
Oil type
Ford WSS-M2C913-C (5W-30)
Dry weight
168 kg

Ford G6DE Compatible Models

The Ford G6DE was used across Ford's CD3 platform with transverse mounting and shared architecture with Volvo pre-2010 derivatives. This engine received platform-specific adaptations-shorter intake manifolds in the Mondeo and revised exhaust routing in the S-MAX-and from 2007 received internal timing chain upgrades to address early tensioner wear, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2004-2010
Models:
Mondeo (Mk3/CD3)
Variants:
2.3i 20V
View Source
Ford Group PT-2012
Make:
Ford
Years:
2006-2009
Models:
S-MAX
Variants:
2.3i 20V
View Source
Ford TIS Doc. D27430
Make:
Volvo
Years:
2005-2007
Models:
S40
Variants:
2.4 (B4204S1)
View Source
Volvo EPC #VOL-7780

Common Reliability Issues - FORD G6DE Compatible Models

The G6DE's primary reliability risk is timing chain tensioner degradation on early builds, with elevated incidence in vehicles used for short journeys. Internal Ford quality reports from 2008 indicated a small but notable proportion of pre-2007 engines showing tensioner spring failure before 120,000 km, while UK DVSA MOT data shows increased misfire-related failures linked to valve timing drift. Frequent cold starts and delayed chain service increase wear, making adherence to service intervals critical.

Timing chain tensioner failure
Symptoms: Rattle at idle or light load (especially on cold start), cam/crank correlation faults, metallic debris in oil.
Cause: Spring fatigue in early tensioner design due to prolonged thermal cycling and inadequate preload retention.
Fix: Replace timing chain and tensioner with updated OEM kit per service action; inspect cam/crank alignment and valve clearance after repair.
Throttle body carbon buildup
Symptoms: Rough idle, hesitation, stalling, reduced throttle response, stored P0507/P0510 codes.
Cause: Oil vapour and combustion byproducts accumulating on throttle plate and bore, restricting airflow.
Fix: Clean throttle body bore and plate with approved solvent; perform ECU idle relearn procedure per workshop manual.
Coolant leak from thermostat housing
Symptoms: Coolant loss, overheating, steam, wet area at housing base, temperature fluctuations.
Cause: Age-related cracking of plastic thermostat housing or gasket degradation.
Fix: Replace thermostat and housing as a unit with updated metal-reinforced version; bleed cooling system thoroughly.
Ignition coil failure
Symptoms: Misfire codes (P030X), rough running, stalling, illuminated check engine light.
Cause: Internal insulation breakdown in coil packs due to heat cycling and voltage stress.
Fix: Replace failed coil(s) with latest-spec OEM units; inspect spark plugs and boot seals.
Research Basis

Analysis derived from Ford technical bulletins (2005-2010) and UK DVSA failure statistics (2011-2023). Repair procedures should follow manufacturer guidelines.

FORD G6DE FAQ Common Questions Answered

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

The G6DE is generally reliable when maintained properly, but early models (2004–2006) are prone to timing chain tensioner issues if service intervals are exceeded. Post-2007 revisions significantly improved chain system durability. Using correct 5W-30 specification oil and adhering to 150,000 km or 8-year timing chain replacement greatly enhances longevity. Well-maintained units regularly exceed 200,000 km without major repairs.

Key issues include timing chain tensioner wear (especially pre-2007), throttle body carbon buildup causing rough idle, coolant leaks from the thermostat housing, and ignition coil failures. These are documented in Ford service actions and technical bulletins. Carbon buildup is common in short-trip driving, requiring periodic cleaning.

The G6DE powered several Ford models including the Mondeo Mk3 (2004–2010) and S-MAX (2006–2009). It was also used in pre-2008 Volvo S40/V50 models as the B4204S1. All applications met Euro 4 emissions standards throughout production.

Limited tuning potential exists. ECU remaps typically yield +10–15 kW due to the naturally aspirated design and compression ratio. Intake and exhaust upgrades offer minor gains. However, the engine is not designed for forced induction. Over-aggressive tuning risks cam timing errors and lean conditions, so conservative tuning with supporting modifications is advised.

In a Mondeo 2.3i, combined consumption is approximately 9.2 L/100km (30.7 mpg UK). Highway driving can achieve ~7.5 L/100km (37.7 mpg UK), while city use may exceed 11.0 L/100km (25.7 mpg UK). Real-world economy depends on driving style, but 28–32 mpg (UK) is typical for mixed conditions with a well-maintained engine.

Yes. The G6DE is an interference engine. If the timing chain fails or jumps, pistons can contact open valves, resulting in bent valves or damaged pistons. Immediate attention to chain noise or service intervals is essential to prevent catastrophic damage.

Ford specifies WSS-M2C913-C (5W-30) synthetic oil. This formulation ensures proper cam phaser operation and journal lubrication. Change oil every 15,000 km or 12 months, whichever comes first. Using non-approved oils increases the risk of chain wear, particularly in pre-2007 engines.

Research Resources

Comprehensive technical documentation and regulatory references

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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

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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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