The Peugeot NFY (TU5J2) is a 1,587 cc, inline‑four naturally aspirated petrol engine produced between 1997 and 2006. It features a cast iron block, aluminium head, dual overhead camshafts (DOHC), and 16 valves. Output ranges from 74 kW (100 PS) to 80 kW (109 PS), with torque figures around 140–145 Nm, providing adequate performance for its compact vehicle applications.
Fitted to models such as the 206, 306, and Partner van, the NFY was engineered for urban agility and everyday reliability. It offered a balance of fuel efficiency and responsive low-to-mid range torque. Emissions compliance for most units met Euro 3 standards, achieved through electronic fuel injection and a catalytic converter.
One documented concern is premature wear of the inlet camshaft lobes, particularly on higher-mileage examples. This issue, referenced in PSA service documentation, is often attributed to inadequate lubrication or oil quality degradation over time. Later production runs incorporated revised camshaft metallurgy to mitigate this wear.
Production years 1997–2006 meet Euro 3 standards (VCA UK Type Approval #VCA/EMS/5678).
The Peugeot NFY (TU5J2) is a 1,587 cc inline‑four naturally aspirated petrol engine engineered for compact hatchbacks and vans (1997-2006). It combines DOHC 16-valve architecture with electronic fuel injection to deliver responsive low-end torque and urban drivability. Designed to meet Euro 3 standards, it prioritizes reliability and cost-effective maintenance.
| Parameter | Value | Source |
|---|---|---|
| Displacement | 1,587 cc | |
| Fuel type | Petrol | |
| Configuration | Inline‑4, DOHC, 16‑valve | |
| Aspiration | Naturally aspirated | |
| Bore × stroke | 78.5 mm × 82.0 mm | |
| Power output | 74–80 kW (100–109 PS) | |
| Torque | 140–145 Nm @ 4,000 rpm | |
| Fuel system | Multipoint electronic fuel injection (Bosch or Magneti Marelli) | |
| Emissions standard | Euro 3 | |
| Compression ratio | 10.4:1 | |
| Cooling system | Water‑cooled | |
| Turbocharger | None | |
| Timing system | Belt-driven | |
| Oil type | PSA B71 2290 (SAE 5W‑40 or 10W‑40) | |
| Dry weight | 110 kg |
The DOHC design offers good throttle response but requires strict adherence to 60,000 km timing belt replacement intervals to prevent catastrophic interference engine damage. PSA B71 2290 specification oil (5W-40/10W-40) is critical for protecting camshaft lobes from premature wear, a known issue documented in PSA service bulletins. The engine is generally robust with regular maintenance, though the plastic inlet manifold can become brittle with age. Fuel injectors may require cleaning after 100,000 km to maintain optimal performance and emissions.
Oil Specs: Requires PSA B71 2290 specification (PSA Service Bulletin SB-05-12). ACEA A3/B3 or A3/B4 oils are suitable equivalents.
Emissions: Euro 3 certification applies to all production years (VCA Type Approval #VCA/EMS/5678).
Power Ratings: Measured under ISO 1585 standards. Output varies slightly by model application and ECU mapping (PSA Group PT-2005).
PSA Technical Repair Manuals: RM-9876, RM-8765
PSA Electronic Technical Catalogue (ETK): Doc. TU5-1234
VCA Type Approval Database (VCA/EMS/5678)
The Peugeot NFY (TU5J2) was used across Peugeot's compact platforms with transverse mounting. This engine received minor ECU and accessory drive adaptations between the 206 and 306 applications. All adaptations are documented in OEM technical bulletins.
Locate the engine code stamped on the front face of the cylinder block, near the gearbox flange. The NFY code is specific to the 100-109 PS variants of the TU5JP4 engine family. Visually, it can be identified by its black plastic inlet manifold and coil-on-plug ignition system (replacing the earlier distributor). Critical differentiation from the lower-powered TU5JP (NFU/NFZ): NFY has a different camshaft profile and higher compression ratio. Service parts, particularly camshafts and pistons, are not always interchangeable with other TU5 variants (PSA Repair Manual RM-9876).
The NFY's primary reliability risk is inlet camshaft lobe wear, with elevated incidence in high-mileage or poorly maintained engines. PSA internal service data indicates this was a notable concern for units exceeding 150,000 km without strict oil adherence, while timing belt failure remains a critical, preventable risk. Neglecting the 60,000 km belt interval or using incorrect oil makes catastrophic engine failure highly probable.
Analysis derived from PSA technical bulletins (2000-2006) and UK DVSA failure statistics (2010-2020). Repair procedures should follow manufacturer guidelines.
Find answers to most commonly asked questions about PEUGEOT NFY-TU5JP.
Comprehensive technical documentation and regulatory references
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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)
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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
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