🏷️ Basic Information

Make:

Citroën

Model:

C2

Year:

2005

Engine Variant:

1.6i 16V

Engine Code:

NFU

Engine Code Nfu Details:

The NFU engine is part of the PSA EW/DW engine family, specifically a 1.6 litre 16-valve naturally aspirated petrol engine known for its relative reliability and peppy performance in the C2 chassis.

👋 Introduction

Vehicle Segment:

Subcompact hatchback, known for its compact dimensions, urban maneuverability, and stylish design.

Key Competitors:

Peugeot 206, Ford Fiesta, Renault Clio, Vauxhall Corsa, Volkswagen Polo.

Citroen C2 Appeal:

The C2 targeted younger drivers and city dwellers with its compact size, distinctive styling, and surprisingly spacious interior for its class. The 1.6i 16V engine provided a good balance of performance and economy.

Citroen C2 Design:

Notable for its 'two-box' design with a split tailgate and a relatively upright driving position for its size.

📋 Manual Details

Manual Coverage Scope:

Comprehensive service, repair, and maintenance for all aspects of the Citroën C2 1.6i 16V (NFU engine) 2005 model year.

Estimated Page Count:

Estimated to be between 1000-1500 pages based on typical factory service manuals for this era and level of detail.

Manual Type:

Factory Service Repair Workshop Manual

Content Type:

Covers routine maintenance, in-depth repairs, troubleshooting, and diagnostics.

Language:

English

File Format:

PDF

Searchability:

Likely text-searchable PDF, allowing for quick retrieval of specific information.

📖 Manual Coverage

Engine Systems:

Engine mechanical (assembly, disassembly, inspection), lubrication system, cooling system, fuel system, ignition system, emission control system, engine management system (ECU, sensors, actuators).

Chassis Systems:

Suspension (front and rear), steering system, braking system (front and rear discs, ABS), wheel alignment.

Electrical Systems:

Complete electrical system, battery, charging system, starting system, lighting system, instrumentation, body control modules, comfort systems, safety systems.

Transmission And Drivetrain:

Manual and automated manual (SensoDrive) transmission servicing, clutch replacement, driveshaft and CV joint inspection/replacement.

Body And Interior:

Body panel repair, interior trim removal and installation, seat adjustment mechanisms, door and window mechanisms.

Emission Control:

Catalytic converter, oxygen sensors, EGR (if applicable), evaporative emission control system.

Maintenance Procedures:

Scheduled maintenance, oil changes, filter replacements, spark plug replacement, belt inspection/replacement, fluid checks and top-offs.

Repair Procedures:

Engine rebuilds, transmission servicing, brake pad/disc replacement, suspension component replacement, electrical component diagnosis and repair, exhaust system repair.

Troubleshooting Procedures:

Systematic diagnostic steps for common and uncommon issues, fault code interpretation, circuit tracing, component testing.

Diagnostic Trouble Codes:

Identification and interpretation of OBD-II diagnostic trouble codes (DTCs) specific to the Citroën C2.

Suspension And Steering Repair:

Replacement of shock absorbers, springs, control arms, tie rod ends, and steering rack.

Diagnostic Depth:

Advanced diagnostics with specific test procedures, wiring diagrams for circuit analysis, oscilloscope interpretation guidance.

Rebuild Depth:

Detailed step-by-step instructions for complete engine and component overhauls, including torque specifications and clearances.

Wiring Diagram Detail:

Comprehensive and detailed wiring diagrams with component locations, harness routing, and connector pinouts for all electrical systems.

📊 Manual Specifications

PDF Quality:

High-resolution, vector-based diagrams and text for exceptional clarity and sharpness.

Printable:

Yes, unrestricted printing for individual pages or the entire document.

Binding Type:

Digital download (PDF) - no physical binding.

Paper Type:

N/A (Digital PDF format).

⚙️ Engine Specifications

Engine Displacement:

1.6 liters (1587 cc)

Engine Configuration:

Inline-4 cylinder, DOHC (Double Overhead Camshaft), 16 valves

Horsepower:

Approximately 109 PS (107 hp; 80 kW) at 6000 rpm

Torque:

Approximately 147 Nm (108 lb-ft) at 4000 rpm

Fuel Injection:

Multi-point electronic fuel injection (MPI)

Fuel Type:

Unleaded Petrol (95 RON recommended)

Coolant Type:

Ethylene glycol-based antifreeze (e.g., G48 or equivalent)

Engine Oil Grade:

e.g., 5W-40 or 10W-40 API SL/CF or ACEA A3/B3

Oil Capacity:

Approximately 3.5 liters (with filter change)

ECU Type:

Bosch Motronic or similar, managing fuel injection, ignition timing, and emission control.

🔧 Transmission

Transmission Type:

Likely a 5-speed manual transmission as standard for this engine. An automated manual (SensoDrive) was also an option on some C2 models.

Optional Transmission Type:

SensoDrive (automated manual transmission)

Transmission Fluid Type:

Manual: Gear oil, e.g., API GL-4 SAE 75W-80. SensoDrive: Specific automatic transmission fluid (ATF).

📐 Dimensions

Length:

Approximately 3,666 mm (144.3 in)

Width:

Approximately 1,659 mm (65.3 in)

Height:

Approximately 1,467 mm (57.8 in)

Curb Weight:

Approximately 1070 - 1110 kg (2359 - 2447 lbs) depending on specification.

🛡️ Safety Features

Euro Ncap Rating:

4 out of 5 stars for adult occupant protection (tested on a similar model year C2).

ABS:

Standard Anti-lock Braking System (ABS) with EBD (Electronic Brakeforce Distribution) on most models.

Airbags:

Front driver and passenger airbags, optional side airbags.

💡 Technology Features

Audio System:

Factory fitted radio/CD player with basic controls, often with steering wheel mounted remote controls on higher trims.

Cruise Control:

Available as an option on some models.

Bluetooth:

Rarely standard on 2005 models; may be an aftermarket addition or available on very late/high-spec versions.

🔧 Maintenance

Oil Change Interval:

Typically every 12,500 miles or 12 months, whichever comes first. Consult manual for exact interval based on driving conditions.

Timing Belt Interval:

Crucial: The NFU engine uses a timing belt. Replacement interval is typically around 70,000 - 90,000 miles or 5-6 years. Failure can cause catastrophic engine damage.

Brake Fluid Type:

DOT 4

Coolant Capacity:

Approximately 5.5 liters

Power Steering Fluid:

Specific hydraulic fluid (e.g., LHM or ATF, depending on system type).

Automatic Transmission Fluid:

If equipped with SensoDrive, a specific ATF conforming to PSA specifications.

Common Wear Items:

Suspension components (bushings, ball joints), exhaust system corrosion, clutch wear (manual transmission), potential for minor electrical gremlins as the vehicle ages.

Engine Specific Notes:

The NFU engine is generally robust, but regular maintenance, especially timing belt replacement, is paramount. Ignition coils and spark plugs can be a source of misfires.

📚 Vehicle History

Citroen Innovation:

Citroën has a long history of innovative automotive design and engineering, often focusing on comfort, practicality, and distinctive styling, which the C2 embodies.

C2 Generation:

The Citroën C2 was launched in 2003 as a successor to the Citroën Saxo, aiming for a more modern and sophisticated positioning within the supermini segment. The 2005 model year represents a key period in its early production.

Production Period:

2003-2009 (Globally).

🏆 Awards & Recognition

General Reputation:

The C2 was generally well-received for its styling and practicality in its segment, though often compared less favourably to some rivals in terms of driving dynamics or build quality in certain reviews.