In fact, the air filter replacement is similar for all In this video you will see how you can replace the air filter in a Mondeo mk4. It is very easy to do! During my vacation I got engine errors and my power was limited forcefully, so I stopped at a Ford service and they told me that my DPF filter was clogged and they removed the errors and somehow even the power limitation, telling me that it will help me to get home without the power limitation and that the errors will reappear after about 250 km. Manufacturers’ recommended filter change intervals vary widely between every 20,000 and 150,000 miles. Check the manufacturer recommendation for your model in your owner’s handbook. A pressure test will indicate how much PSI the fuel pump is generating at the fuel rail. A faulty filter will reduce the pressure produced. Most diesels now have a water in filter warning light on them, usually there is either a water drain screw on the bottom of the fuel filter or if not it needs replacing. There will always be some water in fuel from condensation or cleaning of tanks in tankers etc etc. A 2009 Mondeo is a MK4 which has the capless Ford Easy Fuel system. The Easy Fuel system consist of a number of valves inside the filer neck that can only be opened with an object of the correct diameter (In this case a Diesel filler handle). For emergency filling using a jerrycan or to add an additive you need to use the Easy Fuel funnel. 1: Disconnect the fuel return line, its a quick release coupling, just puss the two sides inward and gently pull. 2: Remove the 2 screws on top of the fuelfilter and remove the shield. 3: Disconnect the fuel filter to fuelpump line, again, a quick coupling. 4: Disconnect the fuel supply line at the back of the filterhousing, it's a bit hidden Fuel filter for Ford Mondeo Mk4 Facelift 2.2 TDCi 2008 - 2010 175hp / 129kW Diesel. Find cheap deals for. Oil filter housing / -seal. Parts kit, automatic transmission oil change. Most diesels are self priming now, or shut off the engine before the engine is fully starved of fuel so you don't have to reprime the fuel line. Add fuel (you may need the funnel thing if it's an Ford easy fuel cap), switch ignition on for 10 seconds, THEN try to start like normal. OK thank you. 19 May 2021 at 13:56. #4. Hi. Changing the fuel filter on my focus at the weekend. I have the paper element type rather than the metal body filter that the fiesta 1.5tdci has. Before I go ahead with this, can anyone tell me if the focus still suffers the old problem of not priming itself etc and bad stating after a filter 14 Clean the fuel filter housing and the cover. Use all-purpose cleaning spray. 15 Install and tighten the cap of the fuel filter housing. Use Torx T15. Use a ratchet wrench. 16 Install a new fuel filter. CLUB.AUTODOC.CO.UK 6–11 Take care to only use quality filters. Replacement: fuel filter – FORD Mondeo Mk4 Hatchback (BA7). AUTODOC YXemw.