Now picking a filter at random to give you an idea of price (there are a fair few options depending on chassis number and engine size etc.) but an exchange FAP filter will be anything from around £200 inc VAT - a brand new one costing in the region of £600 as you say. How to change fuel filter CITROEN XSARA PICASSO (N68) [TUTORIAL AUTODOC] How to change fuel filter on CITROËN C4 I (LC_) – replacement guide 1.6 GLX, 1.6 To test the fuel pressure signal voltage; Connect a voltmeter between contacts 1 and 2 on the same connector ignition switched on; Engine stopped 0.5 V. Fuel pressure sensor disconnected 5 V. With the engine running the signal pressure should vary between 0.3 V and 4.7 V. To test the fuel pressure regulator on the high pressure pump; After prolonged driving in particularly dusty conditions, it is advisable to check the condition of the air filter earlier and replace it if the filter is visibly dirty. Fuel filter. Citroen C4 1.6 diesel fuel filter change interval is 40,000 km Replacement interval for the fuel filter in the fuel tank: 80,000 km. Glow plugs 3.Remove air pipes going to air filter box from behind LH headlight. 4.Remove hose from air filter box to turbo. 5.Remove air mass flow sensor (3 screws) between the turbo hose you just removed and air filter box. Be careful removing connector and remember to re attach when you’re finished. 6.Lift the fuel filter up and balance it in position. Do you need to Replace the fuel filter on the Citroen Dispatch 2007 to 2016 but don't know where to start? This video tutorial shows you step-by-step how to Does any one know what the following means: P1445 Maximum threshold of additive in the particulate emission filter reached. According to the local Peugeot specialist it means the DPF has had as much additive as it can take and the car requires a new DPF. Not sure I believe this as I don't see how the ecu can know this especially as the dpf is Step 5. Prepare a container for the old oil filter. Put the old oil filter in the container. Replacement: engine oil and filter – CITROËN C4 II (B7). AUTODOC experts recommend: Move up the container. The oil starts to drain out of the drainage hole immediately after you have removed the oil filter. My car 2018 Cactus C4 blue HDI, started the urea, service and management warning light countdown last week 16th Feb. I phoned the 0800 number as you had suggested and opened a case. Dropped my car into Citreon Leeds this morning 21st Feb. After informing me it was going to cost £1400.00 plus the diagnostic charge of £144.00. How do you change the fuel filter on a Citroen C4 hdi 1.6? c4owners.org has detailed instructions. Where is the diesel filter on Citroen C3 1.4 HDI LX? 5yXXlfr.