Electro-hydraulic power steering pump
usually 100,000–220,000 km · Medium risk
Signs: Heavy steering, whine, warning
Fix: Replace the pump / relay
€300–800
Common faults, service intervals and costs
Citroën C4 I
2004–2010 · Citroën C4 1
6
engines covered
24
known faults
26,646
roadworthiness tests in the statistics
20
official recalls
Enter your VIN and mileage and get a plan built for your exact engine and gearbox.
The Citroën C4 I was built from 2004 to 2010.
For this generation we cover 6 engines and 24 known faults, each with the mileage range where it usually appears.
The most expensive known risk is Turbo failure (oil starvation, 16v): it usually appears at 80,000–200,000 km and costs €700–1,600 to fix.
In UK roadworthiness tests in 2024, at 150–200 thousand km this model most often failed on: lights, wipers and visibility (37.1 %), suspension (19.0 %), brakes (14.8 %). It fails more often than an average car of the same age and mileage on: steering, lights, wipers and visibility, body and corrosion.
Engines
| Engine | Fuel | Timing drive | Oil |
|---|---|---|---|
| 1.1 / 1.4 / 1.6 8v & 16v (PSA TU / ET3 / EC5) | Petrol | Belt · 120,000 km / every 60 mo | 5W-40 / 10W-40 · PSA B71 2296 / B71 2300 · ~3.25 L · every 15,000 km |
| 1.8 / 2.0 16v (PSA EW7 / EW10) | Petrol | Belt · 120,000 km / every 60 mo | 5W-30 / 5W-40 · PSA B71 2296 · ~4.25 L · every 15,000 km |
| 1.4 / 1.6 VTi (EP3 / EP6, also MINI N12 / N16) | Petrol | Chain | 5W-30 / 0W-30 · PSA B71 2290 / BMW LL-04 · ~4.25 L · every 10,000 km |
| 1.6 THP (EP6 turbo, also MINI Cooper S) | Petrol | Chain | 5W-30 / 0W-30 · PSA B71 2290 / BMW LL-04 · ~4.25 L · every 10,000 km |
| 1.6 HDi / TDCi / e-HDi (DV6, 8v / 16v) | Diesel | Belt · 150,000 km / every 96 mo | 5W-30 · PSA B71 2290 / Ford WSS-M2C913-C · ~3.75 L · every 15,000 km |
| 2.0 HDi / TDCi / BlueHDi (DW10) | Diesel | Belt · 150,000 km / every 96 mo | 5W-30 · PSA B71 2290 / Ford WSS-M2C913-C / 934-B · ~4.25–5.5 L · every 15,000 km |
Faults typical of this model
Front suspension (top mounts, drop links)
usually 60,000–160,000 km · Wear part
Signs: Knocks over bumps
Fix: Replace parts
€100–300
Brake light switch / BSI electrics
usually 80,000–200,000 km · Wear part
Signs: Warning lights, cruise control off
Fix: Replace switch; BSI update
€30–300
Faults by engine
1.1 / 1.4 / 1.6 8v & 16v (PSA TU / ET3 / EC5)
Ignition coil pack
usually 80,000–160,000 km · Medium risk
Signs: Misfire, flashing engine light
Fix: Replace coil pack
€60–200
Thermostat housing / coolant leaks
usually 100,000–200,000 km · Wear part
Signs: Coolant loss, overheating
Fix: Replace housing / hoses
€80–250
Idle control valve / throttle body
usually 100,000–200,000 km · Wear part
Signs: Hunting idle, stalling
Fix: Clean or replace
€60–200
Head gasket (1.6 16v, overheating)
usually 150,000–250,000 km · Wear part
engine codes: NFU, NFV, NFZ, NFX, NFS, NFR
Signs: Coolant loss, white smoke
Fix: Replace head gasket
€400–900
1.8 / 2.0 16v (PSA EW7 / EW10)
Ignition coil pack
usually 80,000–160,000 km · Medium risk
Signs: Misfire
Fix: Replace coil pack
€100–250
Timing belt tensioner
usually 90,000–120,000 km · High risk
Signs: Belt failure bends valves
Fix: Replace belt kit on time
€300–600
Oil leaks (cam cover)
usually 120,000–220,000 km · Wear part
Signs: Oil drips, burning smell
Fix: Replace gasket
€80–200
1.4 / 1.6 VTi (EP3 / EP6, also MINI N12 / N16)
Timing chain stretch
usually 80,000–160,000 km · High risk
Signs: Rattle on cold start, timing codes
Fix: Replace chain, tensioner and guides
€600–1,200
Valve stem seals — oil consumption
usually 100,000–180,000 km · Medium risk
Signs: Blue smoke on start, oil use
Fix: Replace valve stem seals
€500–1,100
Water pump / thermostat housing leak
usually 80,000–160,000 km · Medium risk
Signs: Coolant loss
Fix: Replace pump / housing
€200–500
Valvetronic (VVL) motor
usually 100,000–180,000 km · Wear part
Signs: Rough idle, engine light
Fix: Replace motor
€300–700
1.6 THP (EP6 turbo, also MINI Cooper S)
Timing chain stretch
usually 80,000–150,000 km · High risk
Signs: Rattle on cold start
Fix: Replace chain kit
€700–1,400
Carbon build-up / HP fuel pump
usually 80,000–150,000 km · Medium risk
Signs: Misfires, hesitation
Fix: Clean valves, replace pump
€300–900
1.6 HDi / TDCi / e-HDi (DV6, 8v / 16v)
Turbo failure (oil starvation, 16v)
usually 80,000–200,000 km · High risk
model years 2004–2011 only
Signs: Whistle, blue smoke, oil loss — carbon blocks the oil feed filter
Fix: Replace turbo, oil feed pipe with filter, clean the sump
€700–1,600
Injector copper seal leak → carbon build-up
usually 80,000–200,000 km · High risk
Signs: Ticking, diesel / soot smell, carbon around injectors
Fix: Replace seals early; remove carbon
€200–900
EGR valve / cooler
usually 100,000–200,000 km · Medium risk
Signs: Limp mode, power loss
Fix: Clean or replace
€200–600
2.0 HDi / TDCi / BlueHDi (DW10)
Injectors / injector seals
usually 150,000–250,000 km · Medium risk
Signs: Smoke, knocking, hard start
Fix: Replace seals / injectors
€300–1,500
EGR valve / swirl flap actuator
usually 120,000–220,000 km · Medium risk
Signs: Limp mode
Fix: Clean or replace
€200–700
Turbo actuator / vanes
usually 150,000–250,000 km · Medium risk
Signs: Overboost / underboost
Fix: Clean or replace
€300–1,000
Gearboxes
Manual
Clutch wear
usually 120,000–200,000 km · Medium risk
Signs: Slipping, high bite point
Fix: Replace clutch kit
€500–900
AL4 / AT8 (4-speed automatic)
AL4 solenoids / pressure regulator
usually 80,000–180,000 km · High risk
Signs: Gearbox warning, stuck in 3rd, harsh shifts
Fix: Replace solenoids / pressure sensor; fluid change
€300–1,500
ETG / EGS / BMP / SensoDrive (automated)
Clutch actuator / hydraulic unit
usually 80,000–160,000 km · High risk
Signs: Won't select a gear, 'gearbox fault', jerky shifts
Fix: Repair or replace the actuator; clutch re-learn
€500–1,500
Clutch wear (automated)
usually 80,000–150,000 km · Medium risk
Signs: Slipping, harsh engagement
Fix: Replace clutch + re-learn
€500–1,000
Scheduled service
Intervals and typical prices for the 1.1 / 1.4 / 1.6 8v & 16v (PSA TU / ET3 / EC5) engine. Other engines differ in oil, timing drive and some filters; the app gives the exact plan.
| Item | Interval | Typical price |
|---|---|---|
| Engine oil + oil filterEngine | every 15,000 km or every 12 months | €70–150 |
| Cabin (pollen) filterClimate | every 15,000 km or every 12 months | €15–40 |
| Brake fluidBrakes | every 24 months | €50–95 |
| A/C service (regas + desiccant)Climate | every 24 months | €70–150 |
| Air filterEngine | every 30,000 km or every 24 months | €15–45 |
| Spark plugsIgnition | every 60,000 km or every 48 months | €50–160 |
| Auxiliary (serpentine) beltEngine | every 120,000 km | €70–180 |
| Timing belt kit + water pumpEngine | every 120,000 km or every 60 months | €450–900 |
| Coolant replacementCooling | every 150,000 km or every 96 months | €70–150 |
| Manual gearbox oilTransmission | every 150,000 km | €60–130 |
| Front brake padsBrakes | usually at 30,000–60,000 km | €60–150 |
| Front brake discs + padsBrakes | usually at 60,000–120,000 km | €150–320 |
| Rear brake padsBrakes | usually at 50,000–90,000 km | €50–130 |
| Tyres (set of 4)Wheels | usually at 40,000–60,000 km | €320–700 |
| Wiper bladesBody | checked at service | €20–50 |
| 12V batteryElectrical | checked at service | €100–220 |
Roadworthiness tests by mileage
Share of tests in the United Kingdom (DVSA MOT, 2024) that this model failed because of each system. Bold red means more often and green less often than an average car of the same age and mileage. Sample: 26,646 tests.
| thousand km | 50–100 | 100–150 | 150–200 | 200–250 | 250+ |
|---|---|---|---|---|---|
| Brakes | 8.2 % | 11.4 % | 14.8 % | 16.7 % | 18.0 % |
| Suspension | 10.4 % | 14.7 % | 19.0 % | 22.4 % | 23.0 % |
| Steering | 3.6 % | 4.6 % | 5.6 % | 5.6 % | 7.6 % |
| Tyres and wheels | 6.8 % | 7.9 % | 10.1 % | 9.8 % | 11.2 % |
| Lights, wipers and visibility | 25.1 % | 31.9 % | 37.1 % | 37.2 % | 37.6 % |
| Body and corrosion | 9.0 % | 12.0 % | 13.4 % | 14.6 % | 14.4 % |
| Exhaust, emissions and leaks | 3.8 % | 5.9 % | 8.5 % | 8.2 % | 8.0 % |
Official recalls
Recalls the manufacturer published in the United Kingdom for this model (20). The same recalls usually apply across Europe. Ask an authorised dealer to check by VIN whether your car is affected and whether the work has been done.
- Airbag Citroen C4 Citroen DS5 Driver Airbag (Takata)31/07/2025 · R/2025/300
- Airbag Citroen C4 DriverPassenger Airbag (Takata)01/11/2024 · R/2024/447
- Airbag Front air bag igniters may not deploy correctly17/09/2020 · R/2019/339
- Visibility Ingress of water and corrosion may cause the wiper motor to fail26/10/2017 · R/2017/290
- Suspension / axles Corrosion within the tailgate strut assembly could cause the strut to fail26/10/2017 · R/2017/289
- Doors / locks / lids Bonnet may open unexpectedly01/12/2016 · R/2016/241
- Doors / locks / lids Tailgate may operate incorrectly05/04/2011 · R/2011/039
- Engine / loss of power Loss of power25/03/2011 · R/2011/029
The other recalls (12) are listed in the app.
Other generations
Citroën C1 2005–2022Citroën C2 2003–2009Citroën C3 I 2002–2009Citroën C3 II 2009–2016Citroën C3 III 2016–2024Citroën C3 Aircross 2017–Citroën C3 Picasso 2009–2017Citroën C4 II 2010–2018Citroën C4 III 2020–Citroën C4 Cactus 2014–2020Citroën C5 I/II 2001–2008Citroën C5 III 2008–2017Citroën C5 Aircross 2018–
Sources and notes
Faults, intervals and prices are indicative and collected from public sources and owner experience; always rely on the service book and a qualified workshop. Test statistics: DVSA – Anonymised MOT tests and results, Open Government Licence v3.0. Owner complaints: NHTSA ODI (public domain). Recalls: DVSA Vehicle Safety Branch Recalls Database, OGL v3.0. Brand and model names are trademarks of their owners and are used only to describe the vehicles.
Updated 07/10/2026