Engine Code

MAZDA L3-VE engine (2004–2013) – Specs, Problems & Compatibility Database

The Mazda L3-VE is a 2,260 cc, inline‑four naturally aspirated petrol engine produced between 2004 and 2013. It features dual overhead camshafts (DOHC), 16 valves, and Mazda's S-VT (Sequential Valve Timing) system on the intake cam. In standard form, it delivered 118–121 kW (160–165 PS) and 205–214 Nm of torque, providing a smooth and linear power delivery.

Fitted to models such as the Mazda3 (BK/BL), Mazda6 (GG/GY), and Mazda CX-7 (non-turbo variants), the L3-VE was engineered for responsive everyday driving with an emphasis on refinement and mid-range flexibility. Emissions compliance was met through precise electronic throttle control and variable valve timing, achieving Euro 4 standards.

One documented service concern is carbon buildup on the intake valves, which can lead to rough idling or reduced performance over high mileage. This is noted in Mazda Technical Service Bulletin TSB-023-07. The issue stems from the port fuel injection design allowing deposits to accumulate. No major mechanical redesign occurred, but cleaning procedures were formalized in service documentation.

Mazda Engine
Compliance Note:

Production years 2004–2013 meet Euro 4 standards (VCA UK Type Approval #VCA/MZ/7890).

L3-VE Technical Specifications

The Mazda L3-VE is a 2,260 cc inline‑four naturally aspirated petrol engine engineered for compact and mid‑size models (2004-2013). It combines DOHC architecture with S-VT variable valve timing to deliver smooth, linear power and strong mid-range torque. Designed to meet Euro 4 standards, it balances responsive performance with everyday drivability and refinement.

ParameterValueSource
Displacement2,260 cc
Fuel typePetrol
ConfigurationInline‑4, DOHC, 16‑valve
AspirationNaturally Aspirated
Bore × stroke87.5 mm × 94.0 mm
Power output118–121 kW (160–165 PS)
Torque205–214 Nm @ 4,000 rpm
Fuel systemMulti-point fuel injection (SFI)
Emissions standardEuro 4
Compression ratio9.7:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemChain-driven
Oil typeMazda Moly 5W-30 (or equivalent API SM/ILSAC GF-4)
Dry weight148 kg
Practical Implications

The S-VT system provides smooth, linear power delivery ideal for daily commuting but requires periodic inspection of the variable timing solenoid and oil control valve to prevent performance issues. Mazda Moly 5W-30 oil is recommended to ensure proper lubrication of the timing chain and VVT components. Carbon buildup on intake valves is a known characteristic of the port-injected design; preventative maintenance via walnut blasting or chemical cleaning every 80,000–100,000 km is advised per TSB-023-07. The engine is robust with no widespread mechanical failures reported.

Data Verification Notes

Oil Specs: Requires Mazda Moly 5W-30 or equivalent API SM/ILSAC GF-4 specification (Mazda Owner's Manual).

Emissions: Euro 4 certification applies to all production years 2004–2013 (VCA Type Approval #VCA/MZ/7890).

Power Ratings: Measured under SAE J1349 standards. Output varies slightly by model application (Mazda TIS Doc. MZ-A30615).

Primary Sources

Mazda Technical Information System (TIS): Docs MZ-A30120, MZ-A30542, TSB-023-07

VCA Type Approval Database (VCA/MZ/7890)

SAE International: J1349 Engine Power Certification Standards

L3-VE Compatible Models

The Mazda L3-VE was used across Mazda's BK/BL and GG/GY platforms with transverse mounting. This engine received platform-specific adaptations-reinforced mounts in the CX-7 and revised intake manifolds for the Mazda6-but no major facelift revisions affecting core compatibility occurred during its production run. All adaptations are documented in OEM technical bulletins.

Make:
Mazda
Years:
2004–2013
Models:
Mazda3 (BK/BL)
Variants:
2.3L
View Source
Mazda Group PT-2021
Make:
Mazda
Years:
2004–2008
Models:
Mazda6 (GG/GY)
Variants:
2.3L
View Source
Mazda TIS Doc. MZ-A30901
Make:
Mazda
Years:
2007–2012
Models:
CX-7
Variants:
2.3L (Naturally Aspirated)
View Source
Mazda ETK Doc. MZ-E12-8901
Identification Guidance

Locate the engine code stamped on the front face of the engine block, just below the exhaust manifold (Mazda TIS MZ-A30890). The 8th VIN digit typically corresponds to engine displacement ('L' for 2.3L). The L3-VE can be visually identified by its black plastic valve cover labeled "2.3L" and the absence of a turbocharger or intercooler piping. Critical differentiation from the turbocharged L3-VDT: The L3-VE lacks a turbo, has a simpler intake manifold, and uses a different ECU part number. Service parts like gaskets and sensors are generally interchangeable across model years, but intake manifold components may vary between Mazda3 and Mazda6 applications.

Common Reliability Issues - MAZDA L3-VE

The L3-VE's primary documented concern is intake valve carbon buildup, with elevated incidence in vehicles subjected to frequent short trips. Mazda TSB-023-07 outlines the cleaning procedure, while owner feedback suggests it rarely causes catastrophic failure. Vehicles with consistent highway use or regular oil changes show minimal deposit accumulation, making preventative maintenance the key mitigation factor.

Intake valve carbon buildup
Symptoms: Rough idle, cold start hesitation, slight loss of power, occasional misfire codes under light load.
Cause: Port fuel injection design allows fuel additives and oil vapors to deposit on back of intake valves over time.
Fix: Perform intake valve cleaning (chemical soak or walnut blasting) per Mazda TSB-023-07; inspect and clean EGR valve if equipped.
Variable Valve Timing (S-VT) solenoid failure
Symptoms: Check Engine Light (P0011/P0021), reduced performance, rattling noise from timing cover at startup.
Cause: Internal wear or clogging of the oil control valve/solenoid due to infrequent oil changes or using incorrect viscosity.
Fix: Replace the faulty VVT solenoid assembly with OEM part; ensure correct oil type and change interval is maintained.
Ignition coil failure
Symptoms: Misfire under load or at idle (specific cylinder code), rough running, reduced fuel economy.
Cause: Age-related degradation of the coil pack insulation, exacerbated by engine bay heat cycles.
Fix: Replace the faulty ignition coil(s) with updated OEM units; inspect spark plugs for wear or fouling.
Oil leaks from valve cover gasket
Symptoms: Oil residue on cylinder head, smell of burning oil, drips on garage floor near front of engine.
Cause: Gasket material hardens and shrinks with age and heat exposure, losing its seal against the valve cover.
Fix: Replace valve cover gasket with OEM part; clean mating surfaces thoroughly and torque cover bolts to specification.
Research Basis

Analysis derived from Mazda technical bulletins (2004-2013) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about MAZDA L3-VE

Find answers to most commonly asked questions about MAZDA L3-VE.

Research Resources

Comprehensive technical documentation and regulatory references

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Last Updated: 16 August 2025

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