Engine Code

FORD LJD engine (2018–2023) – Specs, Problems & Compatibility Database

The Ford LJD is a 999 cc, inline-three turbocharged petrol engine produced between 2018 and 2023. Part of the Ford EcoBoost engine family, it features dual overhead camshafts (DOHC), 12 valves, and direct fuel injection. Delivering 74 kW (100 PS) at 6,000 rpm and 170 Nm of torque between 1,400–4,500 rpm, it was engineered for responsive urban performance in compact vehicles.

Fitted to the Ford Fiesta Mk7 (Mk7.5) and Ford Puma, the LJD was designed for drivers seeking strong low-end torque and excellent fuel efficiency. Emissions compliance is achieved via a three-way catalytic converter and gasoline particulate filter (GPF), meeting Euro 6d-Final standards across its production run (VCA UK Type Approval #VCA/EMS/8901).

One documented concern is premature wear of the timing chain tensioner, particularly in high-mileage stop-start applications. This issue, referenced in Ford Service Action 18B22, is associated with oil flow restrictions in early oil pump designs. In 2020, Ford introduced an updated oil pump and revised chain guide system to improve lubrication and reduce failure risk.

BMW N47D20A Engine
Compliance Note:

All LJD engines comply with Euro 6d-Final emissions standards (VCA UK Type Approval #VCA/EMS/8901).

LJD Technical Specifications

The Ford LJD is a 999 cc inline-three turbocharged petrol engine developed for compact Ford platforms (2018–2023). It integrates turbocharging with direct fuel injection and Ti-VCT (Twin-independent Variable Cam Timing) to deliver strong low-RPM torque and throttle response. Designed to meet Euro 6d-Final emissions standards, it balances performance with urban efficiency.

ParameterValueSource
Displacement999 cc
Fuel typePetrol
ConfigurationInline-3, DOHC, 12-valve
AspirationTurbocharged
Bore × stroke79.0 mm × 68.0 mm
Power output74 kW (100 PS) @ 6,000 rpm
Torque170 Nm @ 1,400–4,500 rpm
Fuel systemTurbocharged direct injection (GDi)
Emissions standardEuro 6d-Final
Compression ratio10.0:1
Cooling systemWater-cooled
TurbochargerSingle-scroll turbo (Honeywell)
Timing systemChain-driven (prone to tensioner wear)
Oil typeFord WSS-M2C949-B (5W-30)
Dry weight98 kg
Practical Implications

The turbocharged design provides strong low-RPM torque ideal for city driving but requires strict adherence to 15,000 km oil change intervals to prevent timing chain wear. Ford WSS-M2C949-B (5W-30) oil is essential due to its shear stability and protection for the chain tensioner system. Extended idling and cold starts increase wear risk due to delayed oil pressure build-up. The Ti-VCT system demands clean oil to prevent cam phaser clogging. Post-2020 models feature revised oil pumps and guides; pre-2020 units should be inspected per Ford SIB 18B22. GPF longevity depends on regular longer drives to enable passive regeneration and correct air-fuel mixture control.

Data Verification Notes

Oil Specs: Requires Ford WSS-M2C949-B (5W-30) specification (Ford SIB 18B22). Replaces ACEA C2 standards.

Emissions: All LJD engines meet Euro 6d-Final standards (VCA Type Approval #VCA/EMS/8901). No earlier Euro variants exist.

Power Ratings: Measured under SAE J1349 standards. Output consistent across fuel grades (Ford TIS Doc. B19425).

Primary Sources

Ford Technical Information System (TIS): Docs B19420, B19701, SIB 18B22

VCA Type Approval Database (VCA/EMS/8901)

SAE International: J1349 Engine Power Certification Standards

LJD Compatible Models

The Ford LJD was used across Ford's Mk7.5 Fiesta and Puma platforms with transverse mounting. This engine received platform-specific adaptations-revised intake manifolds in the Puma and ECU tuning for higher torque delivery-and from 2020 the updated oil pump and chain guide system was implemented, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2018–2023
Models:
Fiesta (Mk7.5)
Variants:
1.0 EcoBoost 100
View Source
Ford Group PT-2022
Make:
Ford
Years:
2019–2023
Models:
Puma
Variants:
1.0 EcoBoost 100
View Source
Ford Group PT-2022
Identification Guidance

Locate the engine code stamped horizontally on the left-side engine block near the exhaust manifold (Ford TIS B19480). The 8th VIN digit indicates engine type ('Q' for LJD series). Pre-2020 models have silver valve covers with ribbed finish; post-2020 units use textured black covers. Critical differentiation from non-turbo Sigma engines: LJD has turbocharger and GPF; Sigma units are naturally aspirated. Service parts require production date verification - timing kits for engines before 06/2020 are incompatible with later units due to oil pump and guide redesign (Ford SIB 18B22).

Identification Details

Evidence:

Ford TIS Doc. B19480

Location:

Stamped horizontally on the left-side engine block near the exhaust manifold (Ford TIS B19480).

Visual Cues:

  • Pre-2020: Silver valve cover with ribbed finish
  • Post-2020: Textured black valve cover
Compatibility Notes

Oil Pump:

Oil pumps and timing kits for pre-2020 LJD engines are not compatible with post-2020 revisions due to internal flow path changes per OEM documentation.

Evidence:

Ford SIB 18B22

Timing Components:

Timing components revised in 2020 models. Pre-2020 kits fit only pre-update engines.
Tensioner Upgrade

Issue:

Early LJD engines experienced timing chain rattle due to delayed oil pressure delivery to the chain tensioner during cold starts.

Evidence:

Ford SIB 18B22

Recommendation:

Inspect and replace with updated tensioner and oil pump per Ford SIB 18B22 if symptoms present.

Common Reliability Issues - FORD LJD

The LJD's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in stop-start urban use. Internal Ford quality reports from 2021 noted a significant number of pre-2020 engines requiring tensioner replacement before 100,000 km, while UK DVSA records show increased GPF clogging in poorly maintained units. Cold-start cycles and extended oil intervals increase chain and phaser stress, making oil quality and interval adherence critical.

Timing chain tensioner wear or failure
Symptoms: Rattle at cold start (especially morning), timing-related DTCs, metallic debris in oil filter.
Cause: Early-design tensioner with oil flow restriction in pump; wear exacerbated by delayed oil pressure and extended oil change intervals.
Fix: Install updated oil pump and tensioner per Ford SIB 18B22; verify oil flow and cam timing after repair.
Cam phaser (Ti-VCT) sticking or failure
Symptoms: Check engine light, reduced power, poor idle, variable cam timing DTCs.
Cause: Sludge or debris accumulation in phaser due to poor oil quality or infrequent changes; design sensitive to oil flow consistency.
Fix: Clean or replace cam phaser; ensure use of correct Ford-spec oil and updated oil pump to maintain pressure.
Gasoline particulate filter (GPF) clogging
Symptoms: Reduced power, increased fuel consumption, DPF regeneration warnings, engine misfires.
Cause: Frequent short trips prevent passive regeneration; oil consumption or fuel quality issues accelerate soot loading.
Fix: Perform forced regeneration via diagnostic tool; replace GPF if regeneration fails. Advise longer drives to prevent recurrence.
Coolant leak from thermostat housing
Symptoms: Coolant smell, visible leak near timing cover, fluctuating temperature gauge.
Cause: Age-related degradation of plastic thermostat housing and seal; common after 5 years or 80,000 km.
Fix: Replace thermostat and housing with updated OEM part; inspect water pump for seepage during service.
Research Basis

Analysis derived from Ford technical bulletins (2019-2022) and UK DVSA failure statistics (2020-2023). Repair procedures should follow manufacturer guidelines.

Frequently Asked Questions about FORD LJD

Find answers to most commonly asked questions about FORD LJD.

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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