The Mazda JE3 is a 2,494 cc, 60 — degree V6 naturally aspirated petrol engine produced between 1995 and 1998. It features a dual overhead camshaft (DOHC) design with 24 valves, delivering smooth power delivery and a characteristic V6 sound. Peak output is 118 kW (160 PS) with 210 Nm of torque, making it suitable for mid — size applications requiring effortless cruising.
Fitted primarily to the GE — generation Mazda 626 and first — generation Mazda MX — 6, the JE3 was engineered f…
Mazda
Production years 1995–1998 meet Euro 2 standards .
The Mazda JE3 is a 2,494 cc V6 naturally aspirated petrol engine engineered for mid‑size sedans and coupes (1995-1998). It combines DOHC 24-valve architecture with sequential fuel injection to deliver smooth, linear power and refined operation. Designed to meet Euro 2 standards, it prioritizes drivability and low-end torque.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,494 cc | |
Fuel type | Petrol | |
Configuration | V6, 60°, DOHC, 24-valve | |
Aspiration | Naturally Aspirated | |
Bore × stroke | 78.0 mm × 87.0 mm | |
Power output | 118 kW (160 PS) | |
Torque | 210 Nm @ 4,000 rpm | |
Fuel system | Sequential Multi-Point Fuel Injection (SFI) | |
Emissions standard | Euro 2 | |
Compression ratio | 9.7:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 165 kg |
The Mazda JE3 was used across Mazda's GE platform with transverse mounting. This engine received minor ECU tuning variations between the 626 sedan and MX-6 coupe, but core components remain interchangeable. 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
The JE3 is a robust engine when its specific maintenance needs are met. Its main weaknesses are the timing belt (which must be changed at 90,000 km) and the exhaust manifold studs (which should be replaced preventatively). With these addressed, the engine can easily surpass 250,000 km.
The most frequent issues are exhaust manifold stud breakage, timing belt failure due to neglect, ignition coil failure, and valve cover gasket leaks. These are well-documented in Mazda service bulletins and are relatively straightforward to fix with OEM parts.
The JE3 was used exclusively in the second-generation (GE) Mazda 626 sedan and the first-generation (GE) Mazda MX-6 coupe, specifically in the 2.5i V6 variants from 1995 to 1998. It was not used in any other Mazda models.
Minor gains are possible via ECU remapping or intake/exhaust modifications, typically yielding 5-10 kW extra. Significant power increases are limited by the stock internals and lack of forced induction. Focus is usually on improving throttle response and exhaust note.
Real-world fuel economy is around 9.5 L/100km (30 mpg UK) in combined driving for a Mazda 626. In city traffic, expect 11-12 L/100km (23-25 mpg UK), and on the highway, it can achieve 7.5-8.0 L/100km (35-37 mpg UK).
Yes. The JE3 is an interference engine. If the timing belt fails, the pistons will collide with the open valves, causing catastrophic internal engine damage that requires a complete rebuild or replacement.
Mazda originally specified 10W-30 viscosity oil meeting API SG/SH standards. Modern high-quality 10W-30 or 5W-30 synthetic oils that meet API SN or higher are suitable and may offer better protection. Change oil every 10,000 km.
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.