Engine Code

Mazda LFVE Engine (2014–2018) – Specs, Problems & Compatibility Database

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 Engine
Compliance Note:

Production years 2014–2018 meet Euro 6 standards for applicable markets (Mazda Service Manual, Group 5L; VCA Type Approval #VCA/MZ/10234).

Mazda LFVE Technical Specifications

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.

ParameterValueSource
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
SAE 0W-20 (API SN or equivalent)
Dry weight
130 kg

Mazda LFVE Compatible Models

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.

Make:
Mazda
Years:
2014–2018
Models:
Mazda6 (GJ)
Variants:
Sedan, Wagon
View Source
Mazda Workshop Manual, Mazda6 (2014)
Make:
Mazda
Years:
2015–2017
Models:
CX-5 (KE)
Variants:
2.5L
View Source
Mazda Workshop Manual, CX-5 (2015)

Common Reliability Issues - MAZDA LFVE Compatible Models

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.

High-pressure fuel pump failure
Symptoms: Check engine light (often P0087, P0627 codes), loss of power, engine stalling, difficulty starting.
Cause: Internal wear or lubrication failure within the high-pressure fuel pump, preventing it from generating sufficient fuel pressure for the direct injection system.
Fix: Replace the faulty high-pressure fuel pump with a new OEM-specified part per Mazda TSB 01-004/16; ensure fuel and oil quality meet specifications.
Intake valve carbon buildup
Symptoms: Rough idle, cold start misfires, decreased power, increased fuel consumption.
Cause: Accumulation of carbon deposits on the back of the intake valves, a common trait of direct injection engines without port injection to clean the valves.
Fix: Perform an intake valve cleaning procedure (walnut blasting or chemical cleaning) per OEM guidelines; consider using Top Tier fuel to reduce future buildup.
Variable valve timing (VVT) solenoid failure
Symptoms: Check engine light (often P0011, P0021 codes), rough idle, decreased power, poor fuel economy.
Cause: Internal wear or clogging of the VVT solenoid due to oil sludge or debris, preventing proper oil pressure control to the cam phasers.
Fix: Replace the faulty VVT solenoid with a new OEM-specified part; ensure engine oil is clean and at the correct level and viscosity.
Valve cover gasket leaks
Symptoms: Oil residue on the top of the engine, burning oil smell, low oil level.
Cause: Age-hardening and shrinkage of the rubber valve cover gasket, leading to loss of seal.
Fix: Replace valve cover gasket with a new OEM part; ensure valve cover bolts are torqued to specification in the correct sequence.
Research Basis

Analysis derived from Mazda technical bulletins (2014-2018) and workshop manual procedures. Repair procedures should follow manufacturer guidelines.

MAZDA LFVE FAQ Common Questions Answered

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.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

MAZDA 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.

Regulatory Context

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.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialMAZDA documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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