Is the 1.6 BlueHDi the same as the 1.6 HDi?

The BlueHDi is the Euro 6 version with AdBlue SCR. The engine block is similar but the injection system and injectors may differ.

How much does DV6C injector replacement cost?

A set of four costs £350-£600. Labour is 2-3 hours.

How much does it cost to replace injectors?

Replacement typically costs £150–£350 per injector depending on brand and engine. A full set of four with professional fitting usually costs £600–£1,200.

Can I drive with a faulty injector?

Driving with a faulty injector can cause engine damage, increased fuel consumption, DPF contamination, and oil dilution. We recommend diagnosis and replacement as soon as possible.

Do new injectors need coding?

Some vehicles require injector coding after replacement using manufacturer-specific diagnostic tools. Many Bosch solenoid units are plug and play. Check your engine guide for specific requirements.

Why is my diesel injector knocking?

Diesel injector knocking is typically caused by worn nozzle tips that alter the fuel spray pattern, leading to harsher combustion. Carbon buildup, incorrect injection timing, and high fuel pressure can also contribute. A professional leak-off test can confirm whether injectors are the cause.

Can a bad injector cause white smoke?

Yes. A faulty injector that dribbles fuel instead of atomising it causes incomplete combustion, producing white or grey smoke. This is especially noticeable on cold starts and typically clears as the engine warms up.

How long do diesel injectors last?

Most diesel injectors last between 80,000 and 150,000 miles depending on fuel quality, driving conditions, and maintenance. Regular fuel filter changes and using quality diesel can extend their lifespan.

Will injector cleaner fix misfire?

Injector cleaner may help with minor carbon deposits, but it cannot fix worn nozzles, failed solenoids, or internal seal leaks. If misfire persists after using cleaner, professional testing and likely replacement is needed.

PSA DV6C 1.6 BlueHDi Injector Problems: Symptoms & Repair (UK)

Updated for 2026 diagnostics & repair guidance

Euro 6 update of the DV6. AdBlue SCR adds complexity.

The DV6C is the Euro 6 evolution of the DV6, badged as BlueHDi. It adds AdBlue SCR and a more advanced injection system. Found in the Peugeot 208/308 and Citroen C3/C4.

OEM tested & calibrated12-month warrantyFree UK deliveryNo coding required (most models)

OEM Tested
12-Month Warranty
Free UK Delivery

Registration Lookup Find Matching DV6C Injector

Drivers also ask

Quick Diagnosis

If your DV6C engine shows:

rough idle
hard starting
white or black smoke
knocking or ticking noise
reduced fuel economy

A faulty injector may be the cause. Continue below to confirm symptoms and solutions.

Can You Drive With This Problem?

Driving short distances may be possible, but continued use can cause:

piston damage
turbo contamination
fuel dilution of engine oil
catalytic converter damage

Prolonged driving may lead to major engine failure.

Typical Repair Costs (UK)

Average costs for injector-related repairs:

£180 - £350

Per Injector

£700 - £1,200

Full Set (4)

£120 - £300

Labour

Early replacement prevents costly engine damage.

Common Injector Failure Symptoms

Owners frequently report:

Rough idle and AdBlue warnings

Injector wear increases NOx, triggering AdBlue system warnings.

DPF regeneration issues

Frequent or failed regeneration cycles from poor combustion.

Engine management light

Injector and SCR-related fault codes.

Full symptom guide White smoke guide

Fault Codes Linked to Injector Issues

Common diagnostic codes include:

P0201-P0204Injector circuit malfunction

P20EESCR NOx efficiency below threshold

Misfire diagnosis guide

How to Diagnose DV6C Injector Faults

Follow this step-by-step testing approach to identify the faulty injector:

1
Read fault codes
Connect an OBD-II scanner and note any injector-related codes (P0201–P0204, P2146, P2149). This identifies which cylinder is affected.
2
Perform a leak-off test
Disconnect the fuel return pipes and route into measuring containers. Run the engine at idle for 60 seconds. Compare volumes per cylinder against manufacturer spec.
3
Listen for injector tick
Use a mechanic's stethoscope on each injector body. A dead or irregular tick indicates a stuck or failing solenoid.
4
Check fuel rail pressure
Monitor live fuel rail pressure data via diagnostic tool. Low pressure can mimic injector symptoms and may indicate a fuel pump issue instead.
5
Inspect for external leaks
Check around injector seals for signs of fuel or combustion gas leakage. Black carbon deposits indicate a blown seal.
6
Cylinder balance test
Use diagnostic software to run a cylinder contribution test. This electronically disables each injector in turn to measure its effect on engine speed.

Full leak-off test guide Injector coding guide

Why DV6C Injectors Fail

Common causes include:

fuel contamination
high-pressure wear cycles
carbon buildup
poor fuel quality
internal valve wear

Professional remanufacturing restores spray pattern and pressure accuracy.

When Replacement Is Required

Injector replacement is recommended if:

leak-off test fails
misfire persists after coding
excessive return flow detected
spray pattern fails testing
vehicle enters limp mode

DV6C Repair Advice

DV6C injectors require coding via Diagbox. The AdBlue system should be checked and recalibrated after injector replacement if NOx codes are present.

Remanufactured (Recommended)

OEM-spec rebuild with new nozzles, seals, and solenoids. Full flow testing. 12-month warranty. 40–60% less than new.

Brand New OEM

Factory-fresh from Bosch, Delphi, or Siemens. Highest cost but zero previous wear. Best for low-mileage vehicles.

Vehicles Using the DV6C Engine

This engine is commonly found in:

Peugeot 208

1.6 BlueHDi 75/100 · 2015-2019

Peugeot 308

1.6 BlueHDi 100/120 · 2014-2021

Citroen C3

1.6 BlueHDi 75/100 · 2016-2020

Citroen C4 Cactus

1.6 BlueHDi 100 · 2014-2020

Professional Installation Tip

Always:

replace copper sealing washers
torque injectors to manufacturer specification
clean injector seats before installation
code injectors after installation (if required)

Leak-off test guide Injector coding guide

Compatible Injector Part Numbers for DV6C

The following injector part numbers are commonly associated with DV6C engines:

Bosch

0445110566

Bosch injector for DV6C BlueHDi

View details

PSA

9812217080

PSA OE reference

View details

DV6C Injectors — Shop Now

In-stock injectors listed first for fastest delivery:

CITROEN C3 ( C3 Exclusive 90 HDi A51) 1.6L 2012-2012 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 Exclusive Airdream e-HDi MY40) 1.6L 2013-2013 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 Exclusive Airdream e-HDi MY40) 1.6L 2013-2015 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 Exclusive HDi MY50) 1.6L 2005-2009 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 Feel BlueHDi S/S B618) 1.6L 2016-2019 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 Flair BlueHDi S/S B618) 1.6L 2016-2018 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 Picasso Connexion HDi MY10) 1.6L 2011-2012 Diesel Injector

£100.00

Made to order12 months

CITROEN C3 ( C3 PICASSO EXCLUSIVE HDI MY10) 1.6L Diesel Injector

£100.00

Made to order12 months

View all DV6C injectors

These injectors are commonly used with the DV6C engine. Confirm compatibility using your engine code or registration lookup before ordering. Our team can verify the correct part for your specific vehicle.