The Honda D14Z3 is a 1,396 cc, inline‑four naturally aspirated petrol engine produced between 2001 and 2005. It features a single overhead camshaft (SOHC) 16‑valve design with Honda's PGM‑FI electronic fuel injection, delivering reliable, economical performance for compact vehicles. The engine's 75.0 mm × 79.0 mm bore and stroke provide a smooth, torquey character ideal for urban commuting and light highway use.
Fitted primarily to the sixth-generation Civic (ES/EM) in 1.4 iS and LS trims for the European market, the D14Z3 was engineered for drivers prioritizing low running costs, fuel efficiency, and dependable daily transportation. Emissions compliance for its production period was achieved through precise fuel metering and a three-way catalytic converter, meeting Euro 3 standards.
One documented area for technician awareness is potential failure of the VTEC oil pressure switch, which can trigger a check engine light (code P2647) without affecting engine performance, as noted in Honda Service Bulletin 04-062. This issue, often linked to electrical contact degradation, is a common false alarm on this engine variant. No major generational updates were issued for this engine before its discontinuation.
Honda
Production years 2001–2005 meet Euro 3 emissions standards for applicable markets (Honda Emissions Doc. EU-03).
The Honda D14Z3 is a 1,396 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks (2001-2005). It combines SOHC valvetrain with VTEC and PGM-FI to deliver economical, reliable performance with a modest power boost. Designed to meet Euro 3 standards, it prioritizes efficiency and low-cost ownership for European markets.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,396 cc | |
| Fuel type | Petrol (Gasoline) | |
| Configuration | Inline‑4, SOHC, 16‑valve, VTEC | |
| Aspiration | Naturally Aspirated | |
| Bore × stroke | 75.0 mm × 79.0 mm | |
| Power output | 65 kW (88 PS) @ 5,600 rpm | |
| Torque | 124 Nm @ 4,300 rpm | |
| Fuel system | PGM-FI (Programmed Fuel Injection) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 9.5:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt-driven | |
| Oil type | Honda 5W-30 or 10W-30 | |
| Dry weight | Approx. 107 kg |
The SOHC VTEC design offers a modest power boost above 3,000 rpm but requires strict adherence to the 100,000-mile timing belt replacement interval to prevent catastrophic interference engine damage. The PGM-FI system demands a healthy battery. Using the specified 5W-30 or 10W-30 oil is recommended. A common, non-critical fault is the VTEC oil pressure switch (P2647), which can be replaced per Honda SIB 04-062 if it triggers a false check engine light.
Oil Specs: Requires Honda 5W-30 or 10W-30 motor oil (Honda Owner's Manual). API SJ/SL or equivalent specification.
Emissions: Meets 2001-2005 Euro 3 emissions standards (Honda Emissions Doc. EU-03).
Power Ratings: Measured under SAE J1349 standards for European market applications (Honda TIS Doc. H-D14-003).
Honda Technical Information System (TIS): Docs H-D14-001, H-D14-002, H-D14-003
Honda Service Bulletin 04-062
Honda Emissions Documentation: EU-03
SAE International: J1349 Engine Power Certification Standards
The Honda D14Z3 was developed for Honda's Civic (6th Gen) platform with transverse mounting. This engine featured specific calibrations for the European-market Civic's chassis and drivetrain. All applications are documented in OEM technical bulletins.
Locate the engine code stamped on the front of the cylinder block, below the exhaust manifold (Honda TIS H-D14-004). The 8th VIN digit for D14Z3-equipped Civics is typically 'D'. Visually, the engine features a black valve cover with "VTEC" branding. Differentiation from the non-VTEC D14Z1 is clear via the VTEC solenoid and oil pressure switch on the left side of the cylinder head. The distributorless ignition system uses coil packs mounted on the valve cover.
The D14Z3's primary reliability risk is timing belt failure due to age or missed service intervals. Honda internal service data indicates a high correlation between neglected belt changes and engine seizure. The VTEC oil pressure switch is a known, benign failure point that causes unnecessary check engine lights. Adherence to the maintenance schedule is paramount for longevity.
Analysis derived from Honda technical bulletins (2001-2005) and preliminary owner complaint data. Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about HONDA D14Z3.
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.
