Change Car Particulate Filter (DPF) Citroen C4 Picasso
Change Car Particulate Filter (DPF)
| Estimated time | 0h30–1h30 |
|---|---|
| Estimated labour cost | ~50–150£ |
| Difficulty | Easy |
| Vehicles |
C4 Picasso 2006-2013 8
C4 Picasso 2013-2018 9
|
| Check the catalytic converter | 0h30 |
| Reset the diesel particulate filter fuel additive warning light | 0h30 |
| Check/top up the diesel particulate filter fuel additive | 0h30–1h00 |
| Check the diesel particulate filter saturation (using a diagnostic tool) | 0h30 |
| Renew the diesel particulate filter fuel additive reservoir | 1h00–2h00 |
| Remove/refit the diesel particulate filter fuel additive reservoir | 1h00–2h00 |
| Remove/refit the catalytic converter | 1h30–2h00 |
| Renew the catalytic converter | 1h30–2h00 |
| Remove/refit the diesel particulate filter | 1h30–2h00 |
| Remove/refit the diesel particulate filter fuel additive injector | 0h45–1h30 |
| Renew the diesel particulate filter | 1h30–2h00 |
| Renew the diesel particulate filter fuel additive injector | 0h45–1h30 |
| Prepare the catalytic converter heat shield for installation* | 0h45 |
| Remove/refit the AdBlue tank | 1h00–2h00 |
| Renew the AdBlue tank | 1h00–2h00 |
| Remove/refit the AdBlue injector | 0h45–1h30 |
| Renew the AdBlue injector | 0h45–1h30 |
| Remove/refit the diesel particulate filter/catalytic converter assembly | 1h30–2h00 |
| Renew the diesel particulate filter/catalytic converter assembly | 1h30–2h00 |
| Selective catalytic reduction (SCR): check the fluid level; top up if necessary | 0h30 |
| Drain/refill the AdBlue tank | 0h45 |
| Renew the catalytic converter gasket | 1h30 |
What is a Citroen C4 Picasso particulate filter?
Diesel engines and direct-injection petrol engines produce soot particles. The particulate filter (DPF/GPF) traps these harmful particles as exhaust gases pass through its honeycomb structure. It is placed on the exhaust line after the catalytic converter.
How does the Citroen C4 Picasso particulate filter work?
As soot accumulates, the filter periodically burns off (regenerates) the trapped particles. Active regeneration raises exhaust temperatures to 550–600°C, burning soot to ash. This occurs every 300–500 km during normal motorway driving. Vehicles driven only on short urban trips may not regenerate properly, leading to blockage.
When should you change the Citroen C4 Picasso particulate filter?
The DPF is designed to last 150,000–250,000 km but depends on driving patterns. Signs of needed replacement: DPF warning light, engine in limp mode, excessive exhaust smoke, or diagnostic scan showing excessive back-pressure or failed regeneration cycles.
Can the Citroen C4 Picasso particulate filter be cleaned instead of replaced?
Yes, professional DPF cleaning can restore a blocked filter at a fraction of replacement cost. However, if the filter substrate is cracked, melted, or structurally damaged, replacement is the only option. Never use a DPF removal/delete service — it is illegal and will fail the MOT/emissions test.
Is it difficult to change the Citroen C4 Picasso particulate filter?
Difficulty level 2/5: technically straightforward but physically demanding due to the filter's location and weight. Key steps: raise the vehicle, disconnect pressure sensors, remove exhaust clamps/bolts, lower the old DPF, fit the new one with new gaskets, reconnect sensors, clear fault codes, perform a forced regeneration cycle.
2 models covered
| Model | Year Range | Engines covered | Fuel |
|---|---|---|---|
| C4 Picasso 2006-2013 | 2006-2013 | 1.6 16V HDi Diesel (DV6TED4 (9HY)), 1.6 16V HDi FAP Diesel (DV6C (9HL)), 1.6 16V HDi FAP Diesel (DV6C (9HR)), 1.6 16V HDi FAP Diesel (DV6TED4 (9HZ)), 1.6 THP Petrol (EP6CDT (5FV)), 1.6 THP Petrol (EP6DT (5FT)), 1.6 THP Petrol (EP6DT (5FX)), 1.6 VTi Petrol (EP6 (5FW)), 1.6 VTi Pe… | Diesel, LPG, Petrol |
| C4 Picasso 2013-2018 | 2013-2018 | 1.2 THP 110 Petrol (EB2DTSD (HNX)), 1.2 THP 130 Petrol (EB2DTS (HNY)), 1.6 8V BlueHDi Diesel (DV6FC (BHX)), 1.6 8V BlueHDi Diesel (DV6FC (BHZ)), 1.6 8V BlueHDi Diesel (DV6FD (BHY)), 1.6 8V e-HDi Diesel (DV6C (9HC)), 1.6 e-HDi Diesel (DV6DTED (9HP)), 1.6 THP 165 Petrol (EP6FDT (5… | Diesel, Petrol |
