The Honda L15Z4 is a 1,498 cc, inline‑three naturally aspirated petrol engine produced between 2015 and 2020. It features a dual overhead camshaft (DOHC) design with i — VTEC variable valve timing and lift, delivering 88 kW (120 PS) and 145 Nm of torque. This engine prioritizes fuel efficiency and smooth low — to — mid — range power delivery for urban and suburban commuting.
Fitted primarily to the fourth — generation Honda Jazz (GE) and the second — generation Honda HR — V (RV),…
Honda
All production years 2015–2020 meet Euro 6 standards .
The Honda L15Z4 is a 1,498 cc inline‑three naturally aspirated petrol engine engineered for compact hatchbacks and crossovers (2015-2020). It combines i-VTEC variable valve timing with port fuel injection to deliver smooth, economical performance. Designed to meet Euro 6 standards, it balances urban efficiency with reliable operation.
| Parameter | Value | Source |
|---|---|---|
Displacement | 1,498 cc | |
Fuel type | Petrol | |
Configuration | Inline‑3, DOHC, 12‑valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 73.0 mm × 89.4 mm | |
Power output | 88 kW (120 PS) @ 6,600 rpm | |
Torque | 145 Nm @ 4,600 rpm | |
Fuel system | Port fuel injection (PFI) | |
Emissions standard | Euro 6 | |
Compression ratio | 13.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Chain-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 98 kg |
The Honda L15Z4 was used across Honda's GE and RV platforms with transverse mounting. This engine received platform-specific adaptations-revised engine mounts and intake manifolds for the HR-V-creating minor interchange limits with other L15 variants. 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.
Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.
Analysis derived from manufacturer technical service bulletins and industry workshop records. 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 L15Z4 is generally considered a very reliable engine. Its main documented issue is the VTEC oil pressure switch, which is a relatively inexpensive and simple fix. With regular oil changes using the correct 0W-20 specification, these engines can easily exceed 200,000 km without major issues.
The most common issues are VTEC oil pressure switch failures (causing a check engine light), VTC actuator rattle on cold start, EGR valve clogging, and potential oil dilution from excessive short-trip driving. These are well-documented in Honda service bulletins like A16-045.
The L15Z4 was primarily used in the fourth-generation Honda Jazz (GE4, 2015-2020) and the second-generation Honda HR-V (RV2, 2015-2018) in various international markets. It was typically badged as the 1.5 i-VTEC.
While possible, the L15Z4 is not a popular candidate for significant tuning due to its naturally aspirated design and focus on efficiency. Minor gains can be achieved through intake and exhaust modifications, but substantial power increases would require forced induction, which is complex and costly.
The L15Z4 is very economical. In the Honda Jazz, expect 45-55 mpg (UK) combined. In the slightly heavier HR-V, figures are around 40-48 mpg (UK) combined. Real-world economy is excellent for city driving and commendable on the highway.
Yes. The L15Z4 is an interference engine. If the timing chain were to fail (an extremely rare event), the pistons would collide with the open valves, causing catastrophic internal engine damage. The chain is designed to last the life of the engine with proper maintenance.
Honda strongly recommends 0W-20 synthetic oil for optimal performance, fuel economy, and protection of the i-VTEC and VTC systems. 5W-30 is an acceptable alternative in some regions, but 0W-20 is preferred for its cold-start flow characteristics.
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.