The Mazda LFVE is a 2,488 cc, inline‑four petrol engine produced between 2014 and 2018. It features an aluminium block and head, DOHC, and direct fuel injection with variable valve timing. This engine, part of the Skyactiv — G family, delivers a balance of performance and efficiency for its class, producing 138 kW (187 PS) and 250 Nm of torque in its most common configuration.
Fitted to models like the Mazda6 (GJ) and CX — 5 (KE), the LFVE was engineered for responsive highway dr…
Mazda
Production years 2014–2018 meet Euro 6 standards for applicable markets (Mazda Service Manual, Group 5L;.
The Mazda LFVE is a 2,488 cc inline-four petrol engine engineered for mid-size sedans and SUVs (2014-2018). It combines DOHC with direct injection and variable valve timing to deliver responsive power and good fuel efficiency. Designed to meet Euro 6 emissions standards, it offers a practical blend of performance and everyday drivability.
| Parameter | Value | Source |
|---|---|---|
Displacement | 2,488 cc | |
Fuel type | Petrol | |
Configuration | Inline-4, DOHC, 16-valve | |
Aspiration | Naturally aspirated | |
Bore × stroke | 89.0 mm × 100.0 mm | |
Power output | 138 kW (187 PS) | |
Torque | 250 Nm @ 4,000 rpm | |
Fuel system | Direct injection (Skyactiv-G) | |
Emissions standard | Euro 6 | |
Compression ratio | 13.0:1 | |
Cooling system | Water-cooled | |
Turbocharger | None | |
Timing system | Chain-driven | |
Oil type | Refer to vehicle handbook / manufacturer specification | |
Dry weight | 130 kg |
The Mazda LFVE was used across Mazda's Mazda6 and CX-5 platforms with transverse mounting. This engine received minor ECU and accessory drive adaptations for different model years and markets, creating potential interchange limits for ancillary components. All adaptations are documented in OEM technical bulletins.
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The LFVE's primary reliability risk is age-related failure of the high-pressure fuel pump, with elevated incidence in high-mileage or poorly maintained examples. Mazda service documentation highlights pump failure as a common cause for drivability complaints. Extended service intervals and use of incorrect oil or low-quality fuel can accelerate wear on internal engine components, making adherence to the factory maintenance schedule critical.
Analysis derived from Mazda technical bulletins (2014-2018) and workshop manual procedures. 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 LFVE is generally a very reliable and robust engine. Its main long-term concerns are related to age, such as high-pressure fuel pump failure and carbon buildup on the intake valves. With regular maintenance, including timely oil changes with the correct 0W-20 oil and using high-quality fuel, it can provide many years of dependable service.
The most frequent issues are failure of the high-pressure fuel pump, carbon buildup on the intake valves (due to direct injection), and VVT solenoid failures. Valve cover gasket leaks are also common on high-mileage engines but are relatively simple to fix.
The LFVE engine was used in the second-generation Mazda6 (GJ, 2014-2018) and the first-generation CX-5 (KE, 2015-2017) in certain markets as the 2.5L petrol option.
Yes, the LFVE responds well to ECU remapping, which can yield modest power gains by optimizing ignition timing and fuel delivery. More significant power increases are limited by its naturally aspirated design without forced induction.
Fuel economy is good for its size and performance. Expect figures around 8-10 L/100km (28-35 mpg UK) in combined driving for a Mazda6 sedan. Highway cruising can yield better results, while aggressive city driving will be higher.
Yes. The Mazda LFVE is an interference engine. If the timing chain were to fail, the pistons and valves would collide, causing catastrophic internal damage. Fortunately, the timing chain is very durable and rarely fails if the engine is properly maintained.
Mazda originally specified SAE 0W-20 engine oil with an API SN rating or equivalent. A high-quality 0W-20 full synthetic oil is mandatory for optimal protection, especially given the engine's high 13:1 compression ratio.
Comprehensive technical documentation and regulatory references
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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.
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