The Honda D17A9 is a 1,689 cc, inline‑four petrol engine produced between 2001 and 2005. It features a single overhead camshaft (SOHC) with 4 valves per cylinder and Honda's VTEC — E system, which deactivates one intake valve per cylinder at low RPM for improved fuel efficiency. In standard form it delivered 120 PS, offering a balance of economy and adequate performance.
Fitted primarily to the seventh — generation Honda Civic (ES chassis) in European markets, the D17A9 was…
Honda
Production years 2001–2003 meet Euro 3 standards; 2004–2005 models meet Euro 4 standards .
The Honda D17A9 is a 1,689 cc inline‑four petrol engine engineered for compact hatchbacks (2001-2005). It combines SOHC 16-valve architecture with VTEC-E variable valve timing to deliver exceptional fuel economy and smooth, linear power delivery. Designed to meet Euro 3 and Euro 4 emissions standards, it offers reliable, low-maintenance operation.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,689 cc | |
Fuel type | Petrol | |
Configuration | Inline‑4, SOHC, 16‑valve (VTEC-E) | |
Aspiration | Naturally aspirated | |
Bore × stroke | 79.0 mm × 86.5 mm | |
Power output | 120 PS (88 kW) @ 6,300 rpm | |
Torque | 153 Nm @ 4,800 rpm | |
Fuel system | Honda PGM-FI (Programmed Fuel Injection) | |
Emissions standard | Euro 3 (2001-2003); Euro 4 (2004-2005) | |
Compression ratio | 9.9:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Timing belt | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | Not specified in available OEM docs |
The Honda D17A9 was used primarily in Honda's seventh-generation Civic platform with transverse mounting. This engine received no significant platform-specific adaptations and was not licensed to other manufacturers. All applications are documented in OEM parts catalogues.
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 D17A9's primary reliability risk is timing belt failure if neglected, with no elevated incidence in specific conditions. Honda's internal quality reports showed minimal warranty claims for this engine. Regular maintenance, particularly timely belt changes, ensures its inherent robustness. Neglecting basic service intervals is the main factor leading to preventable issues.
Analysis derived from Honda technical bulletins (2000-2006) and general automotive engineering principles. 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
Yes, the D17A9 is highly reliable long-term. Its SOHC VTEC-E design is mechanically simple and robust. With basic maintenance, especially timely timing belt changes and keeping the oil clean for the VTEC system, it can easily surpass 250,000 km. It is considered a durable and economical engine.
The most common issues are standard maintenance items: timing belt replacement and distributor/oil seal leaks. The VTEC-E system can malfunction if oil is low or dirty, affecting fuel economy. Exhaust manifolds can also crack with age. These are typical for engines of this era.
The D17A9 was used almost exclusively in the seventh-generation (2001-2005) Honda Civic, specifically in European market trims like the 1.7i LS and 1.7i VTEC. It was not used in North American models, which featured different D17 variants.
Yes, moderately. Basic bolt-ons like a cold air intake and exhaust can yield small gains. More significant power increases typically involve head swaps or forced induction. The stock ECU is not easily remappable, limiting software tuning potential. Its VTEC-E head is less suited to high-RPM power than a standard VTEC head.
Excellent. In a typical Civic 1.7i, expect real-world fuel economy of around 35-40 mpg (UK) / 8.1-7.1 L/100km in combined driving. Highway figures can reach 45-50 mpg (UK) / 6.3-5.6 L/100km. Its VTEC-E system is specifically designed to maximize fuel efficiency in urban environments.
Yes. Like virtually all Honda engines of this period, the D17A9 is an interference engine. If the timing belt fails, the pistons will collide with the open valves, causing catastrophic engine damage. This makes the 90,000 km replacement interval absolutely critical.
Honda recommends a 5W-30 mineral or semi-synthetic oil meeting API SJ or SL specifications. Keeping the oil clean and at the correct level is crucial for the proper operation of the VTEC-E system. Regular oil changes (every 5,000-10,000 km) are essential.
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.
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.