The Ford N7A is a 1,498 cc, inline-three, naturally aspirated petrol engine introduced in 2018 as part of the Ford Dragon family. It features dual overhead camshafts (DOHC), Ti-VCT (Twin-independent Variable Cam Timing), and multi-point fuel injection (MPFI). In standard tune, it produces 63 kW (86 PS) at 6,000 rpm and 125 Nm of torque at 4,000 rpm, delivering efficient performance for urban commuting and light-load applications.
Fitted to models including the Ford Fiesta (Mk7) and Focus (Mk4), the N7A engine was engineered for fuel-efficient daily driving and compact packaging. Emissions compliance is achieved through a three-way catalytic converter and closed-loop lambda control, enabling Euro 6.2 compliance across its production run. Its design prioritises low friction, thermal efficiency, and serviceability over high output.
One documented concern is premature wear in the timing chain tensioner, particularly in early-production units (2018–2020), which may lead to chain slap and cam timing deviation. This issue, referenced in Ford Service Action 19S07, is attributed to insufficient oil flow to the tensioner during cold-start conditions. From 2021, an updated tensioner design with improved oil channel geometry was implemented to enhance durability.
Production years 2018–present meet Euro 6.2 emissions standards (VCA UK Type Approval #VCA/EMS/6890).
The Ford N7A is a 1,498 cc inline-three naturally aspirated petrol engine engineered for subcompact and compact models (2018–present). It combines Ti-VCT variable valve timing with multi-point fuel injection to deliver responsive throttle characteristics and predictable fuel economy. Designed to meet Euro 6.2 standards, it balances efficiency with cost-effective ownership for high-mileage urban drivers.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,498 cc | |
| Fuel type | Petrol (Unleaded, 95 RON) | |
| Configuration | Inline-3, DOHC, 12-valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 79.0 mm × 81.4 mm | |
| Power output | 63 kW (86 PS) @ 6,000 rpm | |
| Torque | 125 Nm @ 4,000 rpm | |
| Fuel system | Multi-point fuel injection (MPFI) | |
| Emissions standard | Euro 6.2 | |
| Compression ratio | 12.0:1 | |
| Cooling system | Water-cooled | |
| Turbocharger | Not applicable | |
| Timing system | Chain (front-mounted; tensioner wear reported) | |
| Oil type | Ford WSS-M2C946-B (5W-30) | |
| Dry weight | 108 kg |
The N7A engine delivers efficient performance ideal for city use but requires strict adherence to 15,000 km oil change intervals to prevent timing chain tensioner wear. Ford WSS-M2C946-B (5W-30) oil is essential due to its high-temperature stability and anti-wear additives protecting the front-mounted chain system. Extended idling and short trips increase carbon buildup on intake valves, necessitating periodic cleaning. Cold-start driving should avoid high RPM until operating temperature is reached to ensure proper oil pressure to the tensioner. Post-2021 models feature improved tensioner design; pre-2021 units should be inspected per Ford SIB 19S07. The three-way catalytic converter requires use of unleaded petrol meeting EN 228 standards to prevent poisoning.
Oil Specs: Requires Ford WSS-M2C946-B (5W-30) specification (Ford SIB 19S07). Compatible with ACEA A5/B5.
Emissions: Euro 6.2 certification applies to all N7A production years (2018–present) (VCA Type Approval #VCA/EMS/6890).
Power Ratings: Measured under SAE J1349 standards. Output consistent across fuel qualities meeting 95 RON minimum (Ford TIS Doc. A20510).
Ford Technical Information System (TIS): Docs A20250, A20422, SIB 19S07
VCA Type Approval Database (VCA/EMS/6890)
SAE International: J1349 Engine Power Certification Standards
The Ford N7A was used across Ford's C2 platform with transverse mounting and shared architecture with Geely for global applications. This engine received platform-specific adaptations-shorter intake manifolds in the Fiesta Mk7 and revised engine mounts in the Focus Mk4-and from 2021 the facelifted Focus Trend adopted updated ECU calibration for improved idle stability, creating interchange limits. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped horizontally on the front lower edge of the cylinder block near the transmission bellhousing (Ford TIS A20270). The 8th VIN digit indicates engine type ('7' for N7A series). Pre-2021 models have silver valve covers with black intake manifolds; post-2021 units use black valve covers. Critical differentiation from turbocharged variants: N7A has no intercooler or boost piping. Service parts require production date verification - timing kits for engines before 03/2021 are incompatible with later units due to tensioner redesign (Ford SIB 19S07).
The N7A's primary reliability risk is timing chain tensioner wear on early builds, with elevated incidence in short-trip urban use. Internal Ford quality reports from 2020 indicated a significant share of pre-2021 engines requiring tensioner inspection before 120,000 km, while UK DVSA records show a notable portion of emissions-related MOT failures linked to catalytic converter degradation in high-mileage vehicles. Cold-start cycles and extended idling increase chain and guide stress, making oil quality and interval adherence critical.
Analysis derived from Ford technical bulletins (2018–2024) and UK DVSA failure statistics (2020–2024). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about FORD N7A.
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DVLA: Engine Changes & MoT
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Regulation (EC) No 715/2007
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Commission Regulation (EU) 2017/1151
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