Ford NR2 Engine (2004-2010) – Specs, Problems & Compatibility Database

The Ford NR2 is a 1,596 cc, inline‑four petrol engine produced between 2004 and 2010. It features dual overhead camshafts (DOHC) and four valves per cylinder with sequential electronic fuel injection. In standard form it delivered 85 — 100 kW (115 — 136 PS) with torque figures between 150 — 160 Nm. The variable intake manifold system enabled strong mid — range torque for responsive driving characteristics.

Fitted to models such as the Ford Focus Mk2 and C — MAX, the NR2 was engi…

Ford NR2 Engine
Compliance Note:

Production years 2004–2008 meet Euro 4 standards; 2009–2010 models may have Euro 5 compliance depending on market .

Ford NR2 Technical Specifications

The Ford NR2 is a 1,596 cc inline‑four petrol engine engineered for compact and mid-size vehicles (2004-2010). It combines DOHC technology with sequential electronic fuel injection to deliver responsive power and torque. Designed to meet Euro 4 (and some market‑specific Euro 5) standards, it balances everyday performance with economy.

ParameterValueSource
Displacement
1,596 cc
Fuel type
Petrol
Configuration
Inline‑4, DOHC, 16‑valve
Aspiration
Naturally aspirated
Bore × stroke
79.0 mm × 81.4 mm
Power output
85-100 kW (115-136 PS)
Torque
150-160 Nm @ 4,000 rpm
Fuel system
Sequential electronic fuel injection
Emissions standard
Euro 4 (pre‑2009); Euro 5 depending on market
Compression ratio
10.8:1
Cooling system
Water‑cooled
Timing system
Chain (with tensioner)
Oil type
Refer to vehicle handbook / manufacturer specification
Dry weight
115 kg

Ford NR2 Compatible Models

The Ford NR2 was used across Ford's C1 and C2 platforms with transverse mounting. This engine received platform-specific adaptations-reinforced engine mounts in the C-MAX and revised intake systems in the Focus-and from 2008 the facelifted Focus models adopted revised engine management, creating interchange limits. All adaptations are documented in OEM technical bulletins.

Make:
Ford
Years:
2004-2008
Models:
Focus Mk2
Variants:
1.6
View Source
Ford ETIS Doc. FES-NR2-006
Make:
Ford
Years:
2008-2010
Models:
Focus Mk2 Facelift
Variants:
1.6
View Source
Ford ETIS Doc. FES-NR2-007
Make:
Ford
Years:
2004-2010
Models:
C-MAX
Variants:
1.6
View Source
Ford ETIS Doc. FES-NR2-008

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Common Reliability Issues - FORD NR2 Compatible Models

Field reports and technical service bulletins highlight component wear patterns under high-load operation. Adherence to manufacturer service intervals and approved fluid specifications is critical for long-term reliability.

Timing chain tensioner failure
Symptoms: Rattling noise from timing cover area, especially on cold start; check engine light for cam/crank correlation faults.
Cause: Original tensioner design with inadequate oil pressure retention, exacerbated by extended oil change intervals and low-quality lubricants.
Fix: Install updated OEM tensioner and inspect chain for stretch per Ford SIB 197/2007; verify cam/crank timing after repair.
Ignition coil failure
Symptoms: Misfires, rough running, check engine light, poor fuel economy, hesitation under acceleration.
Cause: Internal coil winding degradation due to heat cycling and voltage spikes; common in high-mileage vehicles with original coils.
Fix: Replace all ignition coils with OEM units; inspect spark plugs and replace if necessary; perform cylinder balance test.
Thermostat housing leaks
Symptoms: Coolant smell, visible leaks at front of engine, low coolant level warning, potential overheating.
Cause: Plastic thermostat housing becomes brittle with heat cycles and develops cracks; common in vehicles over 7 years old.
Fix: Replace thermostat housing with updated OEM part; inspect coolant hoses and water pump while servicing.
Variable intake manifold failure
Symptoms: Loss of power at higher RPM, intake manifold runner control fault codes, whistling noise from intake.
Cause: Plastic flapper valves inside manifold break or stick due to carbon buildup and heat stress; vacuum diaphragm failure.
Fix: Replace intake manifold with updated OEM unit; inspect vacuum lines and actuators; perform adaptation reset.
Research Basis

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

FORD NR2 FAQ Common Questions Answered

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

The NR2 delivers strong performance and good economy, but early models (2004-2008) had reliability concerns, especially timing chain tensioner failures. Later revisions (post-2008) improved component durability, so well-maintained examples can be quite robust. Regular servicing and using high-quality oil (5W-30 Ford WSS-M2C913-D) greatly aid longevity.

The biggest issues are timing chain tensioner failure (leading to chain rattling), ignition coil degradation causing misfires, thermostat housing leaks, and variable intake manifold failures. These are well-documented in Ford service bulletins and affect both Focus and C-MAX models.

This 1.6L petrol was used primarily in Ford's compact and mid-size models. It appeared in the Focus Mk2 (2004-2008) and the facelifted version (2008-2010), as well as the C-MAX (2004-2010). The engine was replaced by the newer Ti-VCT engine family in Ford's later models.

Aftermarket ECU tuning is common on the NR2 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.

Good for its class. In a Focus from around 2008, typical consumption is ~8.5 L/100km (city) and ~6.0 L/100km (highway), or about 38 mpg UK combined. C-MAX models show slightly higher consumption due to weight. Real-world figures will depend on driving style, but expect 35-42 mpg (UK) on mixed roads for a well-maintained NR2.

Yes. The NR2 series (like most modern Ford engines) is an interference engine. This means if the timing chain jumps or breaks, pistons can hit open valves, causing serious engine damage. That's why timing chain maintenance is critical - any warning rattles should be addressed immediately.

Ford specifies a 5W-30 synthetic oil meeting Ford WSS-M2C913-D specification. Always use a quality oil designed for modern petrol engines and change it at regular intervals (around 20,000 km or annually) to ensure proper timing chain lubrication and minimize component wear.

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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