Ford NCA Engine (2018–Present) – Specs, Problems & Compatibility Database

The Ford NCA is a 999 cc, inline‑three turbocharged petrol engine introduced in 2018. It features direct fuel injection, a twin‑scroll turbocharger, and dual overhead camshafts (DOHC). This EcoBoost unit delivers up to 92 kW (125 PS) and 170 Nm of torque, with technologies like cylinder deactivation enhancing real‑world fuel economy.

Fitted primarily to the fourth‑generation Fiesta and Puma ST‑Line models, the NCA was engineered for urban agility and spirited drivin…

Ford NCA Engine
Compliance Note:

Production years 2018–2020 meet Euro 6d-TEMP standards; 2021–present models meet Euro 6d standards .

Ford NCA Technical Specifications

The Ford NCA is a 999 cc inline‑three turbocharged petrol engineered for supermini and compact crossover applications (2018–Present). It combines direct injection with a twin‑scroll turbocharger to deliver responsive performance and class‑leading efficiency. Designed to meet Euro 6d standards, it balances everyday drivability with low emissions.

ParameterValueSource
Displacement
999 cc
Fuel type
Petrol
Configuration
Inline‑3, DOHC, 12‑valve
Aspiration
Turbocharged
Bore × stroke
71.9 mm × 82.0 mm
Power output
74–92 kW (100–125 PS)
Torque
170 Nm @ 1,400–4,500 rpm
Fuel system
High‑pressure direct injection (Bosch HDEV6)
Emissions standard
Euro 6d‑TEMP / Euro 6d
Compression ratio
10.5:1
Cooling system
Water‑cooled
Turbocharger
Twin‑scroll (Garrett Motion)
Timing system
Chain‑driven
Oil type
Ford WSS‑M2C945‑B (SAE 5W‑20)
Dry weight
98 kg

Ford NCA Compatible Models

The Ford NCA was used across Ford's B‑Car platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the Puma for handling-and from 2021 the Fiesta facelift models adopted minor ECU updates for Euro 6d compliance, creating software interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2018–Present
Models:
Fiesta (Mk8)
Variants:
1.0 EcoBoost 100PS, 1.0 EcoBoost 125PS
View Source
Ford Parts Catalogue 2024
Make:
Ford
Years:
2019–Present
Models:
Puma
Variants:
1.0 EcoBoost 125PS, 1.0 EcoBoost 125PS MHEV
View Source
Ford Parts Catalogue 2024

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Common Reliability Issues - FORD NCA Compatible Models

The NCA's primary reliability risk is high-pressure fuel pump failure, with elevated incidence in vehicles using lower-grade fuel or with high mileage. Ford FSA 46166 documents this issue for specific production ranges, while owner reports frequently cite stalling incidents. Using fuel below 95 RON and neglecting oil changes make adherence to Ford's maintenance schedule critical.

High-pressure fuel pump failure
Symptoms: Engine cranks but won't start, sudden stalling while driving, diagnostic trouble codes for fuel pressure.
Cause: Internal wear or fracture of components within the Bosch HDEV6 high-pressure pump, potentially accelerated by low-quality fuel.
Fix: Replace the high-pressure fuel pump assembly with the latest revised part as per Ford Field Service Action 46166.
Intake manifold runner control (IMRC) faults
Symptoms: Check Engine Light, reduced power, rough idle, diagnostic codes for intake manifold runner position.
Cause: Failure of the electric actuator motor or binding of the internal linkage/flaps due to carbon buildup.
Fix: Clean or replace the intake manifold runner control actuator and associated linkages per Ford diagnostic procedures.
Coolant thermostat housing leaks
Symptoms: Coolant smell, low coolant level warning, visible coolant residue around the thermostat housing.
Cause: Cracking or seal failure of the plastic thermostat housing, often due to thermal cycling or overtightening.
Fix: Replace the thermostat housing assembly and associated gaskets with new OEM parts; refill and bleed cooling system.
Variable cam timing (VCT) solenoid issues
Symptoms: Rattling noise on startup, rough idle, reduced power, diagnostic codes for camshaft position correlation.
Cause: Clogging of the VCT solenoid screen with debris from degraded oil or failure of the solenoid's internal valve.
Fix: Replace the affected variable cam timing solenoid(s) and perform an oil and filter change with correct specification oil.
Research Basis

Analysis derived from manufacturer technical service bulletins and industry workshop records. Repair procedures should follow manufacturer guidelines.

FORD NCA FAQ Common Questions Answered

The most common questions about engine codes, what they mean, how to find them and how this database works

The NCA engine is generally robust with proper care. Its main weakness is the high-pressure fuel pump, addressed by Ford in FSA 46166. Using 95 RON fuel and adhering to the 16,000 km/12-month oil change schedule is crucial for longevity. Later production engines appear more resilient.

The most frequent issues are high-pressure fuel pump failures (FSA 46166), faulty intake manifold runner control actuators, coolant leaks from the thermostat housing, and variable cam timing solenoid malfunctions. These are well-documented in Ford service information.

The NCA 1.0L EcoBoost is found in the eighth-generation Ford Fiesta (from 2018) and the Ford Puma crossover (from 2019). It powers various trim levels, including the 100PS and 125PS variants, and is also used in the Puma's mild-hybrid (MHEV) system.

Aftermarket ECU tuning is common on the NCA platform, but increasing boost or altering engine parameters accelerates component wear, impacts emissions compliance, and may void vehicle warranties. Any modifications should be evaluated carefully by a qualified specialist.

Official WLTP figures range from 4.8 to 5.4 L/100km (52-58 mpg UK) depending on model and transmission. Real-world mixed driving typically yields 5.5-6.5 L/100km (43-51 mpg UK). The mild-hybrid Puma can achieve slightly better economy in urban conditions.

Yes. The Ford NCA is an interference engine. If the timing chain fails or jumps, the pistons will collide with the open valves, causing catastrophic internal engine damage. Fortunately, the chain is designed to last the engine's lifetime with proper maintenance.

Ford mandates oil meeting specification WSS-M2C945-B, typically a 5W-20 viscosity grade. Using the correct low-SAPS (Sulphated Ash, Phosphorus, Sulphur) oil is vital for protecting the turbocharger, variable valve timing system, and the gasoline particulate filter (GPF).

Research Resources

Comprehensive technical documentation and regulatory references

Platform Overview

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Primary Sources

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.

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