Engine Code

FORD L1W engine (2011–2018) – Specs, Problems & Compatibility Database

The Ford L1W is a 1,596 cc, inline-four petrol engine produced between 2011 and 2018. It forms part of the Ford Dragon family, designed for compact and subcompact applications. Featuring dual overhead camshafts (DOHC), variable valve timing (Ti-VCT), and multi-point fuel injection, it delivers 85 kW (115 PS) and 155 Nm of torque, balancing responsiveness with fuel efficiency.

Fitted to models including the Ford Focus (Mk3), C-Max, and EcoSport, the L1W was engineered for urban and mixed driving with a focus on low-end torque and quiet operation. Emissions compliance was achieved through a three-way catalytic converter and closed-loop lambda control, enabling Euro 5 compliance across its production run.

One documented concern is premature timing chain wear under extended oil change intervals, highlighted in Ford Service Action 15B06. This issue stems from inadequate lubrication to the chain tensioner during cold starts. From 2015, revised oil pump and tensioner components were introduced to improve oil flow and reduce wear.

BMW N47D20A Engine
Compliance Note:

Production years 2011–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/5678).

L1W Technical Specifications

The Ford L1W is a 1,596 cc inline-four petrol engine engineered for compact and subcompact models (2011–2018). It combines Ti-VCT variable valve timing with multi-point fuel injection to deliver responsive low-RPM performance and smooth refinement. Designed to meet Euro 5 standards, it balances everyday drivability with emissions compliance.

ParameterValueSource
Displacement1,596 cc
Fuel typePetrol
ConfigurationInline-4, DOHC, 16-valve
AspirationNaturally aspirated
Bore × stroke79.0 mm × 81.4 mm
Power output85 kW (115 PS) @ 6,300 rpm
Torque155 Nm @ 4,250 rpm
Fuel systemMulti-point fuel injection (MPI)
Emissions standardEuro 5
Compression ratio11.0:1
Cooling systemWater-cooled
TurbochargerNot applicable
Timing systemTiming chain (front-mounted)
Oil typeFord WSS-M2C913-D (5W-30)
Dry weight128 kg
Practical Implications

The naturally aspirated design provides linear power delivery ideal for city driving but requires adherence to 15,000 km oil change intervals to prevent timing chain wear. Ford WSS-M2C913-D (5W-30) oil is critical due to its shear stability and anti-wear additives protecting the chain tensioner. Short-trip driving increases carbon buildup on intake valves due to lack of direct injection. Post-2015 models feature revised oil pump and tensioner assemblies; pre-2015 units should be inspected per Ford Service Action 15B06. The three-way catalytic converter requires fuel meeting EN 228 standards to prevent poisoning and emissions failures.

Data Verification Notes

Oil Specs: Requires Ford WSS-M2C913-D (5W-30) specification (Ford WSS-M2C913-D). Meets ACEA A5/B5 requirements.

Emissions: Euro 5 certification applies to all production years (VCA Type Approval #VCA/EMS/5678).

Power Ratings: Measured under ECE R85 standards. Output consistent across fuel grades meeting EN 228 (Ford WSM Doc. 307-01-01).

Primary Sources

Ford Workshop Manual (WSM): Docs 307-01-01, 307-02-01, 307-03-01, Service Action 15B06

VCA Type Approval Database (VCA/EMS/5678)

European Commission Regulation (EC) No 715/2007

L1W Compatible Models

The Ford L1W was used across Ford's C1 and B3 platforms with transverse mounting. This engine received platform-specific adaptations-shorter intake manifolds in the EcoSport and revised engine mounts in the Focus-and from 2015 the facelifted Focus Mk3.5 adopted minor ECU recalibrations, creating software compatibility limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2011–2018
Models:
Focus (Mk3)
Variants:
1.6 Ti-VCT
View Source
Ford WSM 307-01-01
Make:
Ford
Years:
2011–2015
Models:
C-Max
Variants:
1.6 Ti-VCT
View Source
Ford WSM 307-01-01
Make:
Ford
Years:
2013–2018
Models:
EcoSport
Variants:
1.6L Petrol
View Source
Ford WSM 307-01-01
Identification Guidance

Locate the engine code stamped horizontally on the left-side engine block near the exhaust manifold (Ford WSM 307-01-01). The 8th VIN digit indicates engine type ('L' for L1W series). Pre-2015 models have silver valve covers with black plastic cam covers; post-2015 units use black valve covers. Critical differentiation from Duratec: L1W uses Ti-VCT on both intake and exhaust cams, while older Duratec variants use intake-only VCT. Service parts require production date verification - timing kits for engines before 06/2015 are incompatible with later units due to oil pump redesign (Ford Service Action 15B06).

Identification Details

Evidence:

Ford WSM Doc. 307-01-01

Location:

Stamped horizontally on the left-side engine block near the exhaust manifold (Ford WSM 307-01-01).

Visual Cues:

  • Pre-2015: Silver valve cover with black plastic cam cover
  • Post-2015: All-black valve cover
Compatibility Notes

Evidence:

Ford Service Action 15B06

E C U Calibration:

ECU software for 2015–2018 Focus Mk3.5 models includes revised fuel maps and idle control; earlier ECUs may not support later emissions requirements.

Timing Components:

Timing components revised in 2015. Pre-2015 kits fit only pre-facelift engines.
Tensioner Upgrade

Issue:

Early L1W engines experienced timing chain wear due to insufficient oil pressure at the chain tensioner during cold starts.

Evidence:

Ford Service Action 15B06

Recommendation:

Install updated oil pump and tensioner per Ford Service Action 15B06.

Common Reliability Issues - FORD L1W

The L1W's primary reliability risk is timing chain wear on early builds, with elevated incidence in short-trip urban use. Internal Ford quality reports from 2016 indicated a significant share of pre-2015 engines requiring chain inspection before 120,000 km, while UK DVSA records link a notable portion of emissions-related MOT failures to catalytic converter degradation in high-mileage units. Cold-start cycles and extended oil intervals increase chain and guide stress, making oil quality and interval adherence critical.

Timing chain wear or failure
Symptoms: Rattle at cold start, camshaft timing faults, metallic debris in oil, reduced oil pressure.
Cause: Front-mounted chain with early-design tensioner susceptible to wear due to delayed oil pressure rise during cold starts and extended service intervals.
Fix: Install the latest OEM-specified chain, guides, and tensioner per service bulletin; verify oil pump function and cam/crank timing after repair.
Intake manifold carbon buildup
Symptoms: Rough idle, hesitation, reduced power, MAF sensor faults, increased fuel consumption.
Cause: Lack of direct injection leads to fuel not washing intake ports, allowing oil/soot deposits to accumulate on valves and manifold walls.
Fix: Clean intake manifold and valves using OEM-approved procedures; replace PCV valve and inspect hoses for blockages.
Coolant leak from thermostat housing
Symptoms: Coolant smell, low coolant level, overheating, white smoke at startup.
Cause: Age-related cracking of plastic thermostat housing and gasket degradation under thermal cycling.
Fix: Replace thermostat and housing with updated OEM part; bleed cooling system thoroughly per workshop manual.
Ignition coil failure
Symptoms: Misfires, rough running, check engine light, poor cold-start performance.
Cause: Coil pack insulation breakdown due to heat soak and vibration; common on cylinder 2 and 3 due to proximity to exhaust manifold.
Fix: Replace failed coil with latest-spec OEM unit; inspect spark plugs and wiring for secondary damage.
Research Basis

Analysis derived from Ford technical bulletins (2012–2017) and UK DVSA failure statistics (2015–2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about FORD L1W

Find answers to most commonly asked questions about FORD L1W.

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

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

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