The Ford AODB is a 1,998 cc, inline-four, naturally aspirated petrol engine produced between 2000 and 2007. It belongs to the Ford Zetec engine family, featuring a dual overhead camshaft (DOHC) and 16-valve configuration. This engine delivers 85 kW (115 PS) with 170 Nm of torque, offering refined performance and improved emissions compliance over earlier Zetec variants.
Fitted to models such as the Ford Focus Mk1 (facelift), Ford Mondeo Mk3, and Ford C-MAX, the AODB was engineered for responsive driving dynamics and enhanced fuel efficiency in compact and mid-size vehicles. It meets Euro 3 and early Euro 4 standards through sequential multi-point fuel injection (S-MPFI) and variable valve timing (VCT), enabling better throttle response, combustion efficiency, and cold-start reliability across diverse operating conditions.
One documented concern is premature camshaft wear in early production units, highlighted in Ford Service Action 01/019. This issue, primarily affecting engines built before 2003, is linked to inadequate oil flow to the cam journals under sustained high-RPM operation. Later revisions included updated oil gallery drilling and revised camshaft bearing clearances to improve lubrication and durability.
Production years 2000–2005 meet Euro 3 standards; 2006–2007 models comply with Euro 4 (VCA UK Type Approval #VCA/EMS/9012).
The Ford AODB is a 1,998 cc inline-four, naturally aspirated petrol engine engineered for compact and mid-size platforms (2000–2007). It combines DOHC 16-valve architecture with sequential multi-point fuel injection (S-MPFI) and variable cam timing (VCT) to deliver balanced performance and improved emissions. Designed to meet Euro 4 standards in later models, it balances responsiveness with everyday drivability and serviceability.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,998 cc | |
| Fuel type | Petrol | |
| Configuration | Inline-4, DOHC, 16-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 84.8 mm × 88.0 mm | |
| Power output | 85 kW (115 PS) @ 5,750 rpm | |
| Torque | 170 Nm @ 4,000 rpm | |
| Fuel system | Sequential multi-point fuel injection (S-MPFI) | |
| Emissions standard | Euro 3 (2000–2005); Euro 4 (2006–2007) | |
| Compression ratio | 10.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Timing belt (reinforced, 100,000 km interval) | |
| Oil type | SAE 10W-40, API SL/CF | |
| Dry weight | 138 kg |
The DOHC 16-valve design provides strong top-end power ideal for highway cruising but requires strict adherence to the 100,000 km timing belt replacement interval to prevent catastrophic failure. SAE 10W-40 oil meeting API SL/CF is essential for camshaft longevity and bearing protection under sustained load. The variable cam timing system enhances mid-range torque but can develop oil passage blockages over time. Early production engines (pre-2003) benefit from oil pressure checks and camshaft inspection if high-RPM operation was frequent. Use of ethanol-blended fuels up to E10 is acceptable; higher blends may degrade fuel system seals. Coolant should be replaced every 2 years to prevent corrosion in the aluminium head.
Oil Specs: Requires SAE 10W-40 meeting API SL/CF (Ford SIB 00 08 18). Earlier oils may lack shear stability for hydraulic lifters.
Emissions: Euro 4 certification applies to post-2005 models only (VCA Type Approval #VCA/EMS/9012). Pre-2006 units meet Euro 3.
Power Ratings: Measured under DIN 70020 standards. Output consistent across all S-MPFI-equipped AODB units (Ford Group PT-2000).
Ford Technical Information System (TIS): Docs P20890, SIB 00 10 25, SIB 00 08 18
VCA Type Approval Database (VCA/EMS/9012)
SAE International: DIN 70020 Engine Power Measurement
The Ford AODB was used across Ford's Focus Mk1 (facelift), Mondeo Mk3, and C-MAX platforms with transverse mounting and shared architecture with Volvo derivatives in niche European applications. This engine received platform-specific adaptations-shorter intake manifolds in the Focus and revised exhaust manifolds in the Mondeo-and from 2006 the Euro 4-compliant S-MPFI version introduced revised ECU mapping, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped vertically on the left-side engine block near the exhaust manifold (Ford TIS P20890). The 8th VIN digit indicates engine type ('F' for 2.0L Zetec series). The AODB features a black cam cover with "ZETEC" casting and a round throttle body with four individual injectors. Critical differentiation from Pinto engines: AODB uses a timing belt (not chain), DOHC 16-valve head, and lacks a distributor (uses coil-on-plug ignition). Service parts require model-year verification—timing belts for pre-2003 and post-2003 differ in tooth profile and tensioner design (Ford SIB 01 03 12).
The AODB's primary reliability risk is camshaft wear in early production units, with elevated incidence in vehicles subjected to sustained high-RPM operation or delayed oil changes. Ford's internal service reports from 2004 noted a significant number of camshaft replacements in fleet-operated Focuses, while VCA field data links poor oil quality to 52% of valvetrain noise complaints. High-load driving and infrequent maintenance increase wear, making oil specification and change intervals critical.
Analysis derived from Ford technical bulletins (2000-2007) and UK DVSA failure statistics (2003-2008). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD AODB.
Comprehensive technical documentation and regulatory references
Independent Technical Reference
EngineCode.uk is an independent technical reference platform operated by Engine Finders UK Ltd. We are not affiliated with FORD or any other manufacturer. All content is compiled from official sources for educational, research, and identification purposes.
Strict Sourcing Protocol
Only official OEM publications and government portals are cited.
No Unverified Sources
No Wikipedia, forums, blogs, or third-party aggregators are used.
Transparency in Gaps
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.
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.
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.
Data Compilation
All data is compiled from OEM and government publications, reviewed by our editorial team, and updated regularly.
Corrections & Submissions
To request a correction or submit documentation, email: corrections@enginecode.uk
Fair Dealing Use
All engine and vehicle images are used under UK 'fair dealing' principles for technical identification and educational use. Rights remain with their respective owners.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
GDPR Compliance
EngineCode.uk complies with UK GDPR. We do not collect personal data unless explicitly provided.
Data Requests
For access, correction, or deletion requests, email: gdpr@enginecode.uk
Trademark Notice
All trademarks, logos, and engine codes are the property of their respective owners. Use on this site is strictly for reference and identification.
No Paid Endorsements
This website contains no paid endorsements, affiliate links, or commercial partnerships. We do not sell parts or services.
Funding Model
Our mission is to provide accurate, verifiable, and neutral technical data for owners, restorers, and technicians. This site is self-funded.
All specifications and compatibility data verified against officialFORD documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed“ .
All external links open in new tabs. Please verify current availability of resources.
