The Citroen C3 can experience an "anti pollution fault" warning due to various issues, such as a clogged catalytic converter, misfiring plugs, or a faulty particulate filter. Resetting the fault codes by disconnecting and reconnecting the battery may temporarily resolve the issue. Peugeot 207 ECU - common anti pollution fault. This Peugeot 207 ECU is a very common failing unit that affects vehicles built between 2007 and 2015 with the standard 1.4 and 1.6 litre engines and also the higher powered VTi and GT CC versions. We see a lot of these 207 ECUs failing, causing the 'anti pollution fault' message to be displayed More fault warnings came.-Braking system faulty-ABS Braking system faulty - ESP/ASR faulty-Parking brake faulty-Gearbox faulty and beeping sound. When gearbox fault came I lost speed display ,limited speed. Took it local Citroen dealer today. They said: CARRIED OUT GLOBAL TEST .REMADE WIRING CONNECTIONS TO UNDER BONNET FUSE BOX ,CLEARED FAULT 22,516 Answers. Disconnect the battery join the leads together this works for me in the long term airport parking ,if it doesnt then call a auto locksmith or the dealer as you need the four figure number that came with the vehicle new to be able to re-programme it ,and often this is removed by the dealer when the vehicle is new to stop people ASE Cody Cook. mechanic. Auto Mechanics. 3,066 satisfied customers. I got a citroen c4 grand picasso 2008 1.6. C4 grand picasso. I change engine mountain on passenger side and now the whole car vibrates between 1000 and 1500 rpm … read more. I have a Citroen C4 SX petrol engined car (18000miles only) and after having stood for 4 days , on starting the anti pollution light came on. It stayed on while I drove home, (3 miles). The following … read more It won't cost as much as £300 for Peugeot to do it had mine done this week by main Peugeot dealer - topup and reset £142 inc VAT. When you look at the cost of buying the fluid, your time to fill, and then to only have to take it in to Peugeot to reset the counters it doesn't really seem worth the hassle. Reply Like. 9,522 satisfied customers. I am from Bulgeria. Citroen C4 Grand Picasso auto 2008: Citroen C4 Grand Picasso auto 2008: brake lights, ABS and ESP warning lights coming on intermittently after driving approx 15 miles. If you stop … read more. 2007 CITROEN C4. 75,000 MILES. I drive a Citreon C4 2007 HDCI and I got a message on the dash saying that the anti pollution fault, a mechanic changed this but now when I am driving the car it not revving as when I floor it in every gear it doesn't get above 3 thousand revs and there is a severe lack of power. Anti pollution system fault. Μου άναψε τις προάλλες λαμπάκι ΜΟΝΙΜΑ και έβγαλε το μήνυμα "anti pollution system fault". Επίσης, όταν ανέβαζα στροφές (νομίζω πάνω από 2500) το αμάξι "μπέρδευε" και νομίζω είχε μπει και BR4wIC.