Location: Cambridge. If the refrigerant level is low the compressor will not run (to protect the compressor), when recharging the aircon system the engine and aircon need to be running. Independent garages now charge as little as £35 to £40 to recharge aircon, and they use a machine which checks for leaks and removes old refrigerant. Tom. I know that this has been covered elsewhere but my problem seems to be a bit different. The rear suspension on my C4GP goes down overnight. This only seems to happen when it is at the normal ride height. The only warning message I get is the 5mph one when I start the car. The compressor will kick in and inflate the suspension. Citroen UK have not yet identified whether the fault is hardware or software related, so it could be several weeks before there is a "fix". Citroen will surely have to issue a RECALL & should in the meantime ensure that owners of the affected cars are advised that their cars are unsafe to drive in their present condition. £89.99- Citroen C4 Picasso, London. 7 hours ago Citroen C4 Grand Picasso. Citroen Engine Management Light. Citroen Water Pump. I just bought a second hand Grand Picasso 65 plate and already having an issue with the Airbag or Pretensioner fault. After reading other threads I thoroughly checked wiring and connections under the seats - no issues there. Just joined the forum. I have a 3.5 year old C4 Grand Picasso with 77k kms on board. The car was running fine before I went on vacation for 4 weeks. But as I returned back and started my Vehicle. I am getting Engine fault Message, with Service and Eco Off blinking. The Faults are intermittent, but Eco is not working. Engine ECU. Fault code P1166. After sales description of the fault code High pressure fuel regulation : Measured rail pressure higher than the maximum pressure. Description of the diagnostics Measured rail pressure higher than the maximum pressure (for 5 seconds) Conditions of activation of the diagnostics Consult the associated contexts for The screen was replaced under warranty. My dealer lent me a C4 saloon whilst mine was being repaired. It seems the Magnetti Marelli screens have a quality issue. They throw a lot of Canbus errors and ESP/DSR and engine fault codes. .

citroen c4 grand picasso engine fault