C4 grand picasso anti pollution system faulty. But the display sometimes shows that there is an a...

C4 grand picasso anti pollution system faulty. But the display sometimes shows that there is an anti pollution problem. What does this mean, and is it safe to drive the car until I can see a dealer next week? Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides Dec 15, 2013 · SOURCE: citroen c-crosser anti pollution warning light We had this with our grand picasso all the warning lights on then car went into limp mode replaced two lambda sensor as this is what citroen thought it was in the end coolant sensor was leaking up wire back to ecu making all kinds of lights come on as it malfunctioned in the end new ecu cost over thousand pounds. Customer: I have a Grand Picasso 1. by R9UKE » Sat Jul 14, 2012 8:36 pm "Anti - pollution system faulty". It displays a message indicating that the de-pollution system is faulty. Dec 23, 2025 · I have a Citroen C4 picasso 2007 which seems to occasionally stall when starting and I have to switch off the ignition then on again to restart it. Please note, I'm no longer active on the Forum, so won't respond to messages. Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides citroen c4 grand picasso - citroen fault. 6 HDI EGS, and the engine management light is on with a message indicating an anti-air pollution fault. Thanks Chris. This would get most all of the oil out of the coil and it may start working correctly again. French is best. After diagnosed the mechanic said it was ABS left sensor that needs to be changed. Start by scanning for fault codes, then inspect and clean or replace the EGR valve and consider a DPF regeneration or replacement. I have new spark plugs. Any ideas. Learn what to do when this warning light comes on, and how to reset it. Mar 24, 2017 · Since the spark plugs aren't the culprit and you've found a lot of oil in the #4 coil/plug area, it would seem the coil may be at fault. If you drive a Citroën like a C4, Picasso or a Peugeot like the 307, 308, 207, you may have already seen the message “Anti-pollution system faulty” which triggers the orange engine warning light. Regular maintenance prevents buildup and maintains engine efficiency. Jul 29, 2025 · Citroen's anti-pollution fault light indicates an issue with the emissions system. This 2008 Citroen C4 Picasso came in to the workshop recently with the dreaded "Anti-Pollution system fault" flashing up on the dash. The warning appears, the light comes on, and eventually goes out after 4 or so starts, its stays out for several weeks then re-appears. engine management light has come on with power loss book says depollution fault anybody with any knowledge of this fault or how to fix it Mar 17, 2021 · Re: Anti Pollution fault c3 Picasso finally fixed by GiveMeABreak » Wed Mar 17, 2021 10:06 am Hi and welcome, thanks for sharing your experiences. Yep, no engine management light though! Will do - will get onto someone in NI about a Lexia on this side of the water. Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides Mar 2, 2026 · My 2008 grand Picasso was diagnosed after it showed up Anti pollution system faulty, gearbox faulty and ABS/Parking system faulty. It is now constantly illuminated but has not stalled. We solved this by doing a dpf regeneration and then resetting most of the . You could try and clean the coil very well with some carb cleaner. This weekend it went one further, the light came on at the start of my journey. The registration is SL57 JZM for a grand Picasso 16Vtr+Hdi. Marc Mar 21, 2010 · Re: Citroën C4 - Depollution System Faulty. Sep 6, 2015 · Citroen C4 and DS4 Online Support with user help forums, FAQ's and Technical guides The car ran fine for two weeks, but then the management light began to stay on for two days, then turned off, and then back on for short periods. CITROEN PEUGEOT DIESEL DPF ANTIPOLLUTION Problem FIXED!! complained about the car losing lots of power some of the times. Dec 27, 2021 · Now car saying again, that Antipollution system Faulty and loosing power in same manner as it would have difficulty getting fuel from tank Fault codes made even mechanic to do some research, as he could not make anything out of them For some months now, Ive had an anti-pollution fault error, being displayed. mdfm nggf wklbu qgk ibyyx lkhcxvn xfctz qivonyy vxutc kzizzd