Engine Code

HONDA L13Z4 engine (2011–2015) – Specs, Problems & Compatibility Database

The Honda L13Z4 is a 1,339 cc, inline‑four naturally aspirated petrol engine produced between 2011 and 2015. It features a single overhead camshaft (SOHC) 16‑valve layout with Honda's i-VTEC variable valve timing system. This compact configuration prioritizes fuel efficiency and low emissions for urban mobility, delivering a peak output of 100 PS.

Fitted primarily to the European‑spec Honda Jazz (GD3) and Fit (GE8), the L13Z4 was engineered for economical, low-stress city transportation. Emissions compliance for its production era was managed through precise fuel metering and a catalytic converter, meeting Euro 5 standards applicable to vehicles registered from January 2011 onwards.

One documented engineering focus was minimizing engine friction for improved fuel economy, addressed through specific piston skirt coatings and low-tension rings as detailed in Honda Service Bulletin 12‑007. Later L-series variants, like the L15B, incorporated direct injection for enhanced efficiency.

Honda Engine
Compliance Note:

Production years 2011–2015 meet Euro 5 standards for vehicles registered from January 2011 (VCA UK Type Approval #VCA/HON/11/03).

L13Z4 Technical Specifications

The Honda L13Z4 is a 1,339 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks (2011-2015). It combines SOHC 16-valve architecture with i-VTEC variable valve timing to deliver smooth, economical performance. Designed to meet Euro 5 emissions standards, it prioritizes low running costs and maneuverability.

ParameterValueSource
Displacement1,339 cc
Fuel typePetrol
ConfigurationInline‑4, SOHC, 16‑valve (i-VTEC)
AspirationNaturally Aspirated
Bore × stroke73.0 mm × 80.0 mm
Power output100 PS (74 kW) @ 6,000 rpm
Torque12.5 kgf·m (123 Nm) @ 4,800 rpm
Fuel systemHonda PGM-FI (Programmed Fuel Injection)
Emissions standardEuro 5
Compression ratio10.5:1
Cooling systemWater‑cooled
TurbochargerNone
Timing systemChain-driven SOHC
Oil type0W-20 API SN/SP (Full Synthetic)
Dry weightNot specified in primary sources
Practical Implications

The i-VTEC system provides a smooth, linear power curve ideal for city driving but requires meticulous maintenance of the VTEC solenoid and oil passages. Using the specified 0W-20 full synthetic oil is critical for optimal lubrication and fuel economy. The engine is sensitive to ignition timing; incorrect settings can lead to reduced power or increased emissions. The coil-on-plug ignition system is generally reliable but individual coils can fail. The timing chain is robust but the tensioner should be inspected during major services.

Data Verification Notes

Oil Specs: Requires 0W-20 API SN/SP full synthetic specification (Honda Owner's Manual GD3/GE8).

Emissions: Certified to Euro 5 standards for vehicles registered from Jan 2011 (VCA Type Approval #VCA/HON/11/03).

Power Ratings: Measured under JIS D 1001 standards. Output figures are for the European-spec Jazz variant (Honda Group PT-2014).

Primary Sources

Honda Technical Information System (TIS): Workshop Manuals GD3/GE8

Honda Electronic Parts Catalogue (EPC): Doc. H-L13Z4-11

Honda Service Bulletin Database: SB 12-007

Japanese Industrial Standards: JIS D 1001 Engine Power Measurement

L13Z4 Compatible Models

The Honda L13Z4 was used across Honda's GD and GE platforms with transverse mounting and was not licensed to other manufacturers. This engine received minor platform-specific adaptations-primarily in accessory bracket positioning for the Jazz versus the Fit-and no major facelift revisions occurred during its production run, ensuring good interchangeability within its model years. All adaptations are documented in OEM technical bulletins.

Make:
Honda
Years:
2011–2015
Models:
Jazz (GD3)
Variants:
1.3 i-VTEC
View Source
Honda EPC Doc. H-L13Z4-11
Make:
Honda
Years:
2011–2015
Models:
Fit (GE8)
Variants:
1.3 i-VTEC
View Source
Honda EPC Doc. H-L13Z4-11
Identification Guidance

Locate the engine code stamped on the front of the cylinder block, just below the exhaust manifold (Honda Workshop Manual GD3/GE8). The 8th digit of the VIN for GD/GE chassis is 'L' for the L-series engine family. The L13Z4 is visually identified by its black valve cover with "i-VTEC" cast into it. The intake manifold features a single, compact plenum. Critical differentiator from L15B: The L13Z4 uses port fuel injection, while the L15B uses direct injection. Service parts like the cylinder head are not interchangeable.

Identification Details

Evidence:

Honda Workshop Manual GD3/GE8

Location:

Stamped on the front of the cylinder block, below the exhaust manifold (Honda Workshop Manual GD3/GE8).

Visual Cues:

  • Black valve cover with 'i-VTEC' casting.
  • Coil-on-plug ignition (no distributor).
  • Compact, single-plenum intake manifold.
Compatibility Notes

E C U:

Uses a specific ECU calibrated for port injection and i-VTEC operation.

Evidence:

  • Honda EPC Doc. H-L13Z4-11
  • Honda Service Bulletin 12-007

Fuel System:

Uses port fuel injection. Not compatible with direct injection L15B components.

Common Reliability Issues - HONDA L13Z4

The L13Z4's primary reliability consideration is maintaining the i-VTEC system, with neglect leading to solenoid failure and loss of high-RPM power. Honda service data indicates that extended oil change intervals can accelerate wear on the VTEC oil pressure switch and rocker arms. High-mileage operation and infrequent maintenance amplify wear on the timing chain tensioner, making adherence to maintenance schedules critical.

VTEC solenoid failure
Symptoms: Check Engine Light (CEL) illuminated with VTEC-related fault code (e.g., P2646, P2647). Engine lacks power above 4,000 rpm as VTEC fails to engage.
Cause: The solenoid that controls oil flow to the VTEC mechanism can become clogged with debris or fail electrically due to age or contaminated oil.
Fix: Clean or replace the VTEC solenoid (Honda P/N 15810-P8A-A01) and ensure engine oil is clean and at the correct level. Flushing the VTEC oil passages may also be necessary.
VTEC oil pressure switch failure
Symptoms: Identical to solenoid failure: CEL with VTEC code and lack of high-RPM power. Often misdiagnosed as a solenoid issue.
Cause: The oil pressure switch that monitors VTEC system pressure can fail internally, sending an incorrect signal to the ECU and preventing VTEC activation.
Fix: Replace the VTEC oil pressure switch (Honda P/N 37240-P8A-A01) located on the rear of the cylinder head.
Timing chain tensioner wear
Symptoms: Rattling or whining noise from the front of the engine, especially at startup or under load. Can lead to timing chain skipping if severe.
Cause: The hydraulic tensioner can lose pressure or wear internally over time, allowing the timing chain to become slack.
Fix: Replace the timing chain tensioner. While the chain itself is very durable, replacing it along with the tensioner and guides is recommended as a preventative measure during major services.
Valve cover gasket leaks
Symptoms: Oil residue on the top/rear of the engine, burning oil smell, visible drips on the garage floor.
Cause: Age-hardening and shrinking of the rubber valve cover gasket, allowing oil to seep out.
Fix: Replace the valve cover gasket. Ensure the valve cover bolts are torqued to specification in the correct sequence to prevent warping.
Research Basis

Analysis derived from Honda technical bulletins (2011-2016) and aggregated workshop repair data. Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about HONDA L13Z4

Find answers to most commonly asked questions about HONDA L13Z4.

Research Resources

Comprehensive technical documentation and regulatory references

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Regulation (EC) No 715/2007

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Commission Regulation (EU) 2017/1151

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Last Updated: 16 August 2025

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