Dec 30, 2016 · I have heard this could be linked to heater matrix if carpets wet but they aren't. Any help appreciated as it's a bit cold driving the car at the moment!! If you've got a coolant leak then you probably have an airlock in the heater system. You need to follow the instructions to bleed the system when you top up. The DPF warning symbol has appeared on your car's dashboard; Loss of power; The automatic stop-start system isn't working; Poor fuel economy; Cooling fans run more than normal; A new DPF system can cost as much as £3,000 at a main dealer, but in most cases, using a DPF cleaning product can rectify the problem. frankl. Mon Feb 14 2022, 08:07am. ABS Pump ECu plug/connector depinning Hi All,I currently fixing a range of issue with our 58 plate C4 Grand Picasso, from EGR to Oil in th [more ] By Chrisbro77 On Fri Feb 04 2022, 10:55am. Shipping method. Diesel particulate filter for CITROËN C4 Grand Picasso I UA_ Top brands Reduced prices │Car parts from the category Exhaust and Particulate filter for your C4 Grand Picasso I UA_ — cheap prices and high quality Free shipping from £ 250. Wed Feb 09 2011, 01:55pm. I have become fed up of faults with the depollution system on my C4 2.0hdi VTS and after a fair bit of internet research have decided to have the particulate filter removed professionally. Basically their going to remove the filter and replace it with a straight through pipe and alter the ECU so the whole system is PSA Diesel Additive (FAP) system reset. On many PSA models fitted with the Hdi (common rail) engine it is necessary to service the particulate filter (FAP) system every 40,000 to 50,000 miles. This will be indicated via the instrument cluster in the form of a ‘Particulate’ system warning. The FAP system was introduced on PSA vehicles back MUVIPaO.

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