The Citroen XFV (ES9A) is a 3,001 cc, V6 naturally aspirated petrol engine produced between 2001 and 2008. It features a 24 — valve DOHC configuration with sequential multi — point fuel injection (SMPI), delivering 155 kW (211 PS) and 290 Nm of torque. This engine formed the core of Citroën’s premium lineup during the early 2000s, offering smooth performance and refined operation.
Fitted to models such as the C5, C6, and Xantia, the XFV (ES9A) was engineered for comfort — orie…
Production years 2001–2008 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).
The Citroen XFV (ES9A) is a 3,001 cc V6 petrol engine engineered for executive sedans and hatchbacks (2001–2008). It combines 24-valve DOHC architecture with sequential multi-point injection to deliver linear power delivery and cruising refinement. Designed to meet Euro 3 standards, it balances performance with acceptable emissions for its era.
| Parameter | Value | Source |
|---|---|---|
Displacement | 3,001 cc | |
Fuel type | Petrol | |
Configuration | V6, DOHC, 24-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 87.0 mm × 83.8 mm | |
Power output | 155 kW (211 PS) @ 6,000 rpm | |
Torque | 290 Nm @ 3,750 rpm | |
Fuel system | Sequential multi-point fuel injection (SMPI) | |
Emissions standard | Euro 3 | |
Compression ratio | 11.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | Not applicable | |
Timing system | Timing belt (replacement interval: 150,000 km or 10 years) | |
Oil type | SAE 5W-40, ACEA A3/B4 | |
Dry weight | 185 kg |
The Citroen XFV (ES9A) was used across Citroen's C5/C6 platforms with longitudinal mounting. This engine received platform-specific adaptations-reinforced engine mounts in the C6 and revised intake manifolds in the C5-and from 2004 the facelifted C5 II models adopted updated engine management software, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Engine Finders UK Ltd, which operates EngineCode.uk, can pass your enquiry to engine suppliers in the UK. The service is for vehicles in the United Kingdom, with UK delivery or fitting. This is a commercially connected service, and sending an enquiry does not confirm diagnosis or compatibility.
Diagnostic reminder: If a technician has recommended replacing the engine, you can send an enquiry to engine suppliers in the UK. Confirm the diagnosis first: an engine-code record does not diagnose a fault.
The XFV (ES9A)'s primary reliability risk is timing belt failure on neglected units, with elevated incidence in high-mileage vehicles. Internal PSA service data from 2006 reported a significant share of pre-2004 engines requiring belt replacement before 120,000 km, while UK DVSA records show timing-related failures as a leading cause of MOT rejection for V6 models. Extended service intervals and infrequent driving increase tensioner and belt degradation, making adherence to 10-year replacement critical.
Analysis derived from PSA technical bulletins (2001-2008) and UK DVSA failure statistics (2005-2010). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The XFV (ES9A) is fundamentally robust with smooth performance, but timing belt integrity is critical. Early models (2001-2003) had tensioner reliability concerns, while post-2004 revisions improved durability. Well-maintained engines with timely belt changes (every 150,000 km or 10 years) can exceed 250,000 km. Use of correct oil and coolant enhances longevity.
Key issues include timing belt tensioner failure (leading to belt jump), intake carbon buildup, coolant leaks from thermostat housing, and ignition coil pack degradation. These are documented in PSA service bulletins. Regular maintenance, especially belt service, is essential to avoid major engine damage.
This 3.0L V6 was used in the Citroen C5 (2001-2008), C6 (2005-2008), and Xantia (2001-2004). It was positioned as the flagship petrol engine in these models, offering strong performance and refinement. All applications meet Euro 3 emissions standards.
Limited tuning potential exists. ECU remaps can yield +15-25 kW gains safely, as the engine responds well to optimized ignition and fuel maps. However, the naturally aspirated design limits high-end power. Supporting modifications like performance exhaust and intake can enhance responsiveness, but significant power increases require forced induction upgrades.
Moderate for its class. In a C5 3.0i, typical consumption is ~12.5 L/100km (city) and ~7.8 L/100km (highway), or about 23 mpg UK combined. Real-world figures vary with driving style, but expect 20-25 mpg (UK) on mixed roads. The V6 is best suited to steady cruising rather than urban stop-start driving.
Yes. The XFV (ES9A) is an interference engine. If the timing belt fails, pistons will contact open valves, causing severe internal damage. This makes strict adherence to the 10-year or 150,000 km replacement interval absolutely critical, regardless of mileage.
Citroen specifies SAE 5W-40 synthetic oil meeting ACEA A3/B4 standards. Use of correct viscosity and specification ensures proper hydraulic tensioner operation and valve train protection. Oil changes should be performed every 15,000 km or annually to maintain engine health and prevent sludge buildup.
Comprehensive technical documentation and regulatory references
EngineCode.uk is operated by Engine Finders UK Ltd. It provides engine-reference information and an optional commercial enquiry service. It is not an official manufacturer website. Check the record's sources and confirm vehicle-specific details before relying on it for parts, repairs or replacement.
Our editorial standard prioritises relevant manufacturer documentation and official regulatory sources. The sources and verification status for a record should be checked alongside the data.
A statement is not verified merely because a source is listed. Where supporting evidence is missing or conflicting, the record should identify that limitation. Please report unsupported or inconsistent information.
Transparency in gaps
A missing or unverified value does not mean the manufacturer has withheld it. We distinguish information not yet verified, information not available to us, and information explicitly not disclosed by the source.
Regulatory Stability
EU regulations are referenced using CELEX identifiers for long-term stability.
CITROEN 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.
Records are subject to review and correction. Source links, dates and verification notes should be read with the technical information. Our Editorial and Sourcing Policy explains our standards and review process.
Found an error or missing source? Report a problem with this page. Include the field or statement concerned and a supporting source if available. You can also email corrections@enginecode.uk.
Copyright and permissions
Images and other material may be protected by copyright. Attribution does not by itself grant permission to reuse material. If you believe material on this site infringes your rights, contact copyrights@enginecode.uk with the page URL and details of your claim. We will review the material and take appropriate action.
Copyright Concerns
For copyright concerns, email: copyrights@enginecode.uk
Our Privacy Policy explains how Engine Finders UK Ltd uses information from visits, vehicle lookups, enquiries and messages. Our Cookie Policy explains cookies and similar technologies and how to change your choices.
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.
Ownership and commercial services
EngineCode.uk is owned and operated by Engine Finders UK Ltd. Alongside our reference content, we offer an optional replacement-engine enquiry service through Engine Finders and may identify relevant services provided by businesses connected with us. These commercial connections are disclosed. Using an enquiry service is not required to read our reference content.
Engine Finders UK Ltd operates this website. Our optional enquiry service has a commercial purpose. Our Ownership and Commercial Disclosure explains the relationship between the reference website and that service. Participating suppliers pay a fee or subscription to participate on the network and receive quote requests.
Use this record as a starting point for identification. Specifications and vehicle applications may contain errors or omissions. Confirm the exact engine variant and compatibility using vehicle-specific documentation and a qualified supplier or technician.
All external links open in new tabs. Please verify current availability of resources.