The Honda D16W5 is a 1,590 cc, inline‑four petrol engine produced between 1999 and 2005. It features a single overhead camshaft (SOHC), 16‑valve valvetrain and programmed fuel injection (PGM‑FI). This engine was designed for responsive performance in Honda's compact models, producing 85 kW (116 PS) and 143 Nm of torque, offering a balance of efficiency and spirited driving.
Fitted primarily to the sixth‑generation Honda Civic (EM/EK chassis) and the second‑generation Honda HR‑V (GH chassis), the D16W5 was engineered for a blend of urban agility and highway cruising comfort. Emissions compliance for its production period was met through its electronic fuel injection and catalytic converter, aligning with Euro 3 standards.
One documented concern involves the exhaust gas recirculation (EGR) valve, where carbon buildup can lead to sticking or failure, triggering the check engine light. This issue, referenced in Honda Service Bulletin 02‑015, is common in engines with high mileage or those subjected to frequent short trips. Later D‑series engines saw revisions to the EGR system.

Honda
Production years 1999–2005 meet Euro 3 standards as per applicable EU regulations for vehicles of that era (VCA UK Type Approval #VCA/EMS/7890).
The Honda D16W5 is a 1,590 cc inline‑four petrol engine engineered for compact hatchbacks and SUVs (1999-2005). It combines SOHC 16-valve architecture with programmed fuel injection to deliver responsive performance and reliable daily driving. Designed to meet Euro 3 emissions standards, it prioritizes a balance of power and fuel economy.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,590 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, SOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 75.0 mm × 90.0 mm | |
| Power output | 85 kW (116 PS) @ 6,200 rpm | |
| Torque | 143 Nm @ 4,800 rpm | |
| Fuel system | Programmed Fuel Injection (PGM‑FI) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 9.4:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt-driven | |
| Oil type | API SJ/SL, SAE 5W-30 or 10W-30 | |
| Dry weight | 115 kg |
The SOHC design provides smooth, reliable operation but offers less high-RPM power than DOHC variants. Strict 100,000 km timing belt replacement is critical to prevent catastrophic engine damage, as it is an interference design. The EGR valve requires periodic cleaning or replacement to prevent check engine light issues, especially in city-driven vehicles. Using the specified 5W-30 or 10W-30 oil ensures proper lubrication. Fuel injectors may require cleaning after 120,000 km to maintain optimal fuel trim.
Oil Specs: Requires API SJ/SL specification oil (Honda Owner's Manual, Civic EM 2001). Viscosity grade depends on ambient temperature.
Emissions: Euro 3 certification applies to all 1999-2005 D16W5 models (VCA Type Approval #VCA/EMS/7890). No market-specific variations for this standard.
Power Ratings: Measured under SAE J1349 standards. Output is consistent across all markets for this model (Honda EPC Doc. H-D16W5-001).
Honda Workshop Manual (Civic EM, Sections 6, 10, 11)
Honda Owner's Manual (Civic EM, 2001)
VCA Type Approval Database (VCA/EMS/7890)
The Honda D16W5 was used across Honda's EM platform with transverse mounting. This engine received platform-specific adaptations-minor ECU tuning for different body styles-and no significant facelift revisions during its production, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the engine block, just below the cylinder head and behind the alternator (Honda Workshop Manual, Section 6). The 8th VIN digit for D16W5-equipped Civics is typically 'M'. Visually, it can be identified by its black plastic SOHC valve cover and the distributor mounted at the rear of the cylinder head. Critical differentiation from the D16Z6 VTEC engine: The D16W5 lacks the VTEC solenoid and oil pressure switch on the cylinder head. Service parts like the timing belt kit are generally compatible across all D16W5 applications but verify using the EPC.
The D16W5's primary reliability risk is EGR valve failure due to carbon buildup, with elevated incidence in stop-start urban driving. Honda Service Bulletin 02-015 documents this as a common cause of check engine light illumination, while UK DVSA data shows emissions-related faults as a frequent MOT failure point for this generation. Adherence to long highway drives and proactive EGR cleaning make preventative maintenance critical.
Analysis derived from Honda technical bulletins (1999-2005) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HONDA D16W5.
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 HONDA 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.
HONDA 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 officialHONDA 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.