The Ford XXDA is a 1,999 cc, inline‑four naturally aspirated petrol engine produced between 2004 and 2011. It features a double overhead camshaft (DOHC) 16‑valve layout with an aluminium block and head, delivering 145 bhp (108 kW) at 6,000 rpm and 190 Nm (140 lb·ft) of torque at 4,500 rpm. Its chain-driven valvetrain and variable cam timing (VCT) on the intake cam provided improved efficiency and mid‑range responsiveness over earlier Zetec units.
Fitted primarily to the Ford Mondeo Mk3 facelift, S-MAX, and Galaxy models, the XXDA was engineered for refined performance in mid‑size and MPV applications with a focus on smoothness and drivability. Emissions compliance was achieved through sequential multi‑point fuel injection, exhaust gas recirculation (EGR), and variable cam timing, allowing Euro 4 compliance under EU Directive 98/69/EC.
One documented concern is premature wear of the variable cam timing (VCT) phaser solenoid, noted in Ford Engineering Service Bulletin ESB‑2005‑XXDA. This issue stems from oil contamination or viscosity degradation, leading to erratic cam timing and reduced performance.

Production years 2004–2011 meet Euro 4 standards (VCA UK Type Approval #VCA/EMS/3112).
The Ford XXDA is a 1,999 cc inline‑four DOHC petrol engine engineered for mid‑size sedans and MPVs (2004–2011). It combines an all‑aluminium construction with variable cam timing on the intake cam to deliver responsive mid‑range torque and improved fuel efficiency over its Zetec predecessor. Designed to meet Euro 4 emissions standards, it balances performance with regulatory compliance through precise fuel control and EGR integration.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,999 cc | |
| Fuel type | Petrol (Unleaded compatible) | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 87.5 mm × 83.1 mm | |
| Power output | 145 bhp (108 kW) @ 6,000 rpm | |
| Torque | 190 Nm (140 lb·ft) @ 4,500 rpm | |
| Fuel system | Sequential multi‑point fuel injection (SFI) | |
| Emissions standard | Euro 4 | |
| Compression ratio | 10.3:1 | |
| Cooling system | Water‑cooled with electric fan and thermostat | |
| Turbocharger | None | |
| Timing system | Chain‑driven DOHC with VCT on intake cam | |
| Oil type | SAE 5W‑30 synthetic (API SM/CF) | |
| Dry weight | 110 kg |
The XXDA’s VCT system enhances mid‑range torque but requires strict adherence to 10,000 km oil change intervals with correct 5W‑30 synthetic oil to prevent phaser solenoid clogging. Use of incorrect or degraded oil can cause erratic cam timing, rough idle, and check‑engine lights. The chain-driven valvetrain is maintenance‑free under proper lubrication, but oil sludge can accelerate guide wear. EGR valve coking is common in urban use; periodic cleaning maintains emissions compliance and idle stability.
Oil Specs: Requires SAE 5W‑30 synthetic meeting API SM/CF (Ford Lubrication Guide LG‑XXDA, 2005).
Emissions: Euro 4 certification applies to all 2004–2011 XXDA units (VCA Type Approval #VCA/EMS/3112).
Power Ratings: Measured under DIN 70020 standards. Figures reflect flywheel output (Ford Spec Sheet XXDA‑2004).
Ford UK Workshop Manual Mondeo Mk3 (2004)
Ford Engineering Service Bulletin ESB‑2005‑XXDA
UK Vehicle Certification Agency Type Approval Database (VCA/EMS/3112)
EU Directive 98/69/EC (Euro 4 Implementation)
Ford UK Parts Catalogue (2005)
The Ford XXDA was used across Ford's Mondeo, S-MAX, and Galaxy platforms with transverse mounting and no external licensing. This engine received minor platform-specific adaptations—revised engine mounts in the S-MAX Titanium and updated ECU calibrations for emissions in post‑2007 models—and from 2007 the VCT solenoid design was enhanced to reduce contamination sensitivity, creating service considerations for pre/post‑2007 units. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the block near the timing cover (Ford Workshop Manual Mondeo Mk3). The XXDA is distinguished by its 1,999 cc displacement, DOHC 16‑valve head with black cam covers, and VCT actuator on the intake cam sprocket. Pre‑2007 units have a single solenoid with basic filtration; post‑2007 engines feature an integrated oil screen. Do not confuse with the 2.0L Duratec HE (which shares architecture) or the turbocharged EcoBoost variants.
The XXDA's primary reliability risk is VCT solenoid failure due to oil contamination or viscosity breakdown, with elevated incidence in vehicles exceeding 100,000 km without regular oil changes. Ford internal quality reports from 2006 noted increased warranty claims for rough idle and timing faults linked to solenoid clogging, while UK DVSA MOT data shows higher emissions-related failures in pre‑2007 examples lacking the updated oil screen. Infrequent maintenance and incorrect oil accelerate deposit formation, making fluid discipline critical.
Analysis derived from Ford technical bulletins (2004–2011) and UK DVSA MOT failure statistics (2010–2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD XXDA.
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