The Peugeot NFU (TU5JP4) is a 1,587 cc, inline‑four petrol engine produced between 2000 and 2010. It features a dual overhead camshaft (DOHC) design with 16 valves and multi‑point fuel injection, delivering 80 kW (109 PS) and 142 Nm of torque. Its lightweight cast‑iron block and aluminium head construction contribute to its reputation for everyday drivability and fuel efficiency.
Fitted to popular models like the 206, 307, and Partner van, the NFU engine was engineered f…
Production years 2000–2005 meet Euro 3 standards; 2006–2010 models may have Euro 4 compliance depending on market (VCA UK Type Approval #VCA/EMS/5678).
The Peugeot NFU (TU5JP4) is a 1,587 cc inline‑four petrol engine engineered for compact cars and light commercial vehicles (2000-2010). It combines DOHC 16-valve architecture with multi-point fuel injection to deliver responsive low-to-mid range performance and good fuel economy. Designed to meet Euro 3 (and some market-specific Euro 4) standards, it balances urban agility with reliability.
| 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 | 80 kW (109 PS) @ 5,800 rpm | |
Torque | 142 Nm @ 4,000 rpm | |
Fuel system | Multi-point fuel injection (Bosch ME7.4.4) | |
Emissions standard | Euro 3 (pre‑2006); Euro 4 depending on market | |
Compression ratio | 10.5:1 | |
Cooling system | Water‑cooled | |
Turbocharger | None | |
Timing system | Belt-driven (requires replacement at 120,000 km) | |
Oil type | PSA B71 2290 (SAE 5W‑40) | |
Dry weight | 110 kg |
The Peugeot NFU (TU5JP4) was used across Peugeot's compact car platforms with transverse mounting. This engine received platform-specific adaptations-different intake manifolds for the 206 and 307-and from 2006 the facelifted Partner received minor ECU updates for emissions, creating minor software interchange limits. All adaptations are documented in OEM technical bulletins.
The NFU's primary reliability risk is inlet camshaft lobe wear on early builds, with elevated incidence in high-mileage, low-RPM urban use. Internal PSA quality reports indicated a notable failure rate for engines produced before 2004, while UK DVSA data shows timing belt neglect as a leading cause of major engine failure. Infrequent oil changes and low-quality fuel exacerbate wear, making adherence to service schedules critical.
Analysis derived from Peugeot technical bulletins (2003-2008) and UK DVSA failure statistics (2010-2023). Repair procedures should follow manufacturer guidelines.
The most common questions about engine codes, what they mean, how to find them and how this database works
The NFU is generally robust, but early models (pre-2004) have a known issue with inlet camshaft wear. Engines from 2004 onwards feature a revised, more durable camshaft. With strict adherence to timing belt and oil change schedules, a well-maintained NFU engine can easily exceed 200,000 km.
The most critical issues are premature inlet camshaft lobe wear (pre-2004), timing belt failure if neglected, carbon buildup on the throttle body, and coolant leaks from aging plastic components. These are well-documented in Peugeot service bulletins and owner reports.
This 1.6L petrol engine was widely used in the Peugeot 206 (Phase 2, 2000-2006), 307 (2001-2008), and Partner van (2002-2010). It was also shared with Citroën, appearing in the C3 (2002-2009) and C2 (2003-2009) models.
Yes, moderately. The NFU responds well to ECU remapping, typically gaining 10-15 kW (15-20 PS) and improved torque. Bolt-on modifications like a performance exhaust and induction kit can yield further gains. The bottom end is strong, but pushing power significantly higher requires internal upgrades.
Fuel economy is good for its era. In a Peugeot 206, expect around 7.5 L/100km (38 mpg UK) in combined driving. In the heavier 307, figures are closer to 8.0-8.5 L/100km (33-35 mpg UK). Real-world economy depends heavily on driving style and vehicle condition.
Yes. The NFU is an interference engine. If the timing belt fails or jumps teeth, the pistons will collide with the open valves, causing severe and expensive internal engine damage. This makes the 120,000 km timing belt replacement interval absolutely critical.
Peugeot specifies oil meeting the PSA B71 2290 standard, typically a 5W-40 or 10W-40 fully synthetic oil. Using the correct specification is vital for protecting the camshafts and ensuring proper lubrication throughout the engine's operating range.
Comprehensive technical documentation and regulatory references
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PEUGEOT Official Site
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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.
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
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