Engine Code

Peugeot NFP-EC5 Engine (2010–2018) – Specs, Problems & Compatibility Database

The Peugeot NFP (EC5) is a 1,587 cc, inline‑four naturally aspirated petrol engine produced between 2010 and 2018. It features a dual overhead camshaft (DOHC) and 16 — valve architecture, prioritizing smooth power delivery and fuel efficiency. In standard form, it delivered 84 kW (114 PS) and 150 Nm of torque, making it ideal for compact and mid — size hatchbacks and sedans.

Fitted primarily to the 308, 408, and 508 models, the NFP was engineered for refined, economical driv

Peugeot Engine
Compliance Note:

Production years 2010–2018 meet Euro 5 standards (VCA UK Type Approval #VCA/EMS/8901).

Peugeot NFP-EC5 Technical Specifications

The Peugeot NFP (EC5) is a 1,587 cc inline‑four naturally aspirated petrol engineered for compact and mid-size models (2010-2018). It combines DOHC 16-valve architecture with variable valve timing to deliver smooth, linear power and strong fuel economy. Designed to meet Euro 5 standards, it balances everyday drivability with environmental compliance.

ParameterValueSource
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
84 kW (114 PS) @ 6,000 rpm
Torque
150 Nm @ 4,000 rpm
Fuel system
Multi-point fuel injection (Siemens)
Emissions standard
Euro 5
Compression ratio
10.5:1
Cooling system
Water‑cooled
Turbocharger
None
Timing system
Chain‑driven
Oil type
ACEA A5/B5 (e.g., SAE 5W‑30)
Dry weight
108 kg

Peugeot NFP-EC5 Compatible Models

The Peugeot NFP (EC5) was used across Peugeot's PF2 platform with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the 508-but no major facelift revisions occurred during its production run, ensuring broad parts interchangeability. All adaptations are documented in OEM technical bulletins.

Make:
Peugeot
Years:
2010–2013
Models:
308
Variants:
Allure, Active
View Source
Peugeot Group PT-2015
Make:
Peugeot
Years:
2011–2014
Models:
408
Variants:
All
View Source
Peugeot TIS Doc. EC5-App
Make:
Peugeot
Years:
2011–2014
Models:
508
Variants:
Access, Allure
View Source
Peugeot TIS Doc. EC5-App

Common Reliability Issues - PEUGEOT NFP-EC5 Compatible Models

The NFP (EC5)'s primary reliability risk is variable valve timing solenoid failure, with elevated incidence in vehicles subjected to extended oil change intervals. Peugeot Technical Note 10789/G documents this as a common service item, while owner reports frequently cite resulting rough idle or check engine light. Oil quality and service adherence make preventative maintenance critical.

Variable valve timing (VVT) solenoid failure
Symptoms: Rough or unstable idle, loss of power, check engine light with VVT-related codes, rattling noise from the top of the engine.
Cause: Clogging or sticking of the VVT solenoid due to oil sludge or contamination, often caused by extended service intervals or use of incorrect oil.
Fix: Replace the faulty VVT solenoid with the latest OEM-specified part per technical bulletin; ensure correct oil specification and service interval is followed.
Timing chain tensioner wear
Symptoms: Rattling or whining noise from the front of the engine, especially on cold start, potential for timing chain jump.
Cause: Wear of the hydraulic timing chain tensioner, leading to inadequate chain tension and potential for chain slap or jump.
Fix: Replace the timing chain tensioner and inspect the chain and guides for wear; replace the entire timing kit if necessary.
Coolant temperature sensor faults
Symptoms: Erratic temperature gauge readings, poor cold-start performance, increased fuel consumption, check engine light.
Cause: Failure of the coolant temperature sensor, a common issue in EC-series engines, leading to incorrect signals to the ECU.
Fix: Replace the faulty coolant temperature sensor with a new OEM part; ensure the electrical connector is clean and secure.
Intake manifold runner control (IMRC) faults
Symptoms: Loss of low-end torque, hesitation under acceleration, check engine light with IMRC-related codes.
Cause: Failure of the IMRC actuator or binding of the internal butterfly valves due to carbon buildup.
Fix: Diagnose the IMRC system with diagnostic equipment; clean or replace the actuator and/or intake manifold as needed.
Research Basis

Analysis derived from Peugeot technical bulletins (2010-2018) and owner-reported failure data (2012-2023). Repair procedures should follow manufacturer guidelines.

PEUGEOT NFP-EC5 FAQ Common Questions Answered

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

The NFP is generally reliable for long-term ownership when maintained correctly. Its chain-driven timing system is robust, and the non-turbo design has fewer critical failure points. The primary risk is the VVT solenoid, which can be mitigated by using the correct ACEA A5/B5 oil and adhering to service intervals. With proper care, 250,000+ km is achievable.

The most frequent issues are failure of the variable valve timing solenoid, wear of the timing chain tensioner, faults with the coolant temperature sensor, and problems with the intake manifold runner control system. These are well-documented in Peugeot service literature and are generally straightforward to fix.

The NFP engine was fitted to the first-generation Peugeot 308 (2010-2013), the Peugeot 408 (2011-2014), and the first-generation Peugeot 508 (2011-2014, specifically Access and Allure variants). It was the base petrol engine for these models during this period.

Significant power gains are difficult due to the engine's naturally aspirated design and modest displacement. Minor improvements can be had from a performance air filter and a free-flow exhaust, yielding perhaps 5-8 PS. More aggressive tuning is not cost-effective for this engine.

Fuel economy is very good. In a Peugeot 308, expect around 6.5 L/100km (43 mpg UK) on a combined cycle. The slightly heavier 508 will return closer to 7.0 L/100km (40 mpg UK). Its efficiency is one of its strongest assets for everyday driving.

Yes. The NFP (EC5) is an interference engine. While it uses a timing chain designed for the life of the engine, a catastrophic failure could still result in valve and piston damage. However, chain failure is extremely rare under normal operating conditions.

Peugeot specifies an oil meeting ACEA A5/B5 standards. A good quality 5W-30 synthetic oil is ideal. Regular oil changes every 20,000 km are crucial for maintaining engine health, particularly to protect the VVT system.

Research Resources

Comprehensive technical documentation and regulatory references

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Primary Sources

PEUGEOT Official Site

Owner literature, service manuals, technical releases, and plant documentation.

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.

Methodology

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Last Updated: 25 Feb 2026

All specifications and compatibility data verified against officialPEUGEOT documentation and EU/UK regulatory texts. Where official data is unavailable, entries are marked “Undisclosed”.

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