Hi there, I have a C4 Picasso on an 08 plate. I've had the DPF warning light come on with service light saying risk of particle filter blockage then started to run a bit juddery at all speeds intermittently. I've had the car for about 2 months and haven't felt a re-gen as of yet How can I sort this problem i.e. force a regen or unblock DPF Prevention is better than cure. Klen’s DPF Cleaner & Regeneration Aid is a preventative treatment designed for drivers making a lot of short, low-speed trips, when the engine is not getting hot enough to burn off excess soot. This award winning product works by lowering the point at which the soot burns off. DPF Pressure Sensor Replacement. A DPF is designed to collect the soot that is created when diesel is burned, preventing harmful particles from being pumped out into the atmosphere. All post-2009 diesel cars that comply with Euro Ive got a 2.0L HDi Citroen Picasso and the damn thing will just not fire up. The engine turns over ok, but alas, there is not the merest hint of it firing. Is anyone aware of any common problems with Diesel Picassos? Any tips,hints or advice would be most welcome. Interior. The Grand C4 Picasso is almost 17cm longer than its five-seat sibling, so there’s a lot more interior space and, of course, you get that extra row of seats, although they’re best 6 days ago Ā· One issue that has been reported with the diesel engines in the Citroen Grand C4 Spacetourer is related to the Diesel Particulate Filter (DPF). Some owners have reported problems with the DPF becoming clogged or blocked, which can lead to a range of issues including reduced engine power and increased fuel consumption. OBD II fault code P24A4 is a generic trouble code that is defined by most carmakers as ā€œParticulate Filter Restriction Soot Accumulation Too High Bank 1 and is set when the PCM (Powertrain Control Module) detects an excessively high soot load in the DPF (Diesel Particulate Filter) associated with the exhaust system that serves Bank 1. The 1.6-litre BlueHDi diesel is the engine to go for, as it delivers a winning blend of performance and efficiency, and Flair trim offers luxury car kit. Citroen Grand C4 Picasso autonomous Particulate filter for CITROƋN C4 Picasso II Diesel / 1.6 - 2.0 liters / 2013 - 2023 year. Diesel particulate filter for CITROЁN C4 II Picasso 1.6 BlueHDi 100 (73 kW / 99 hp) BHY (DV6FD) 12/2014 - 2023. Diesel particulate filter for CITROЁN C4 II Picasso 1.6 BlueHDi 120 (88 kW / 120 hp) BHZ (DV6FC) 07/2014 - 2023. There seems to be a problem completing the request at present. EXHAUST PARTICULATE FILTER CITROEN C4 PICASSO MK1 B5 06-11 1560 DV6TED4 (9HZ) Citroen C4 Grand NsNv.