5mph message on dash - get new air springs ASAP. suspension down - fit them emergency valves ASAP and also disconnect the power lead to the compressor (2 wire connector) and get new air springs ASAP (you will get message FAULTY SUSPENSION) also get diagbox (lexia 3) if you are doing repairs yourself. Website. Resolve starting issues in Citroen C5, Dispatch, or C4 Picasso with our cost-effective Delphi DCM3.5 engine ECU rebuild service. Avoid expensive replacements, retain original programming, and enjoy a lifetime unlimited mileage warranty. Trust our expertise and quality control for a reliable solution. C4 Picasso 1.6HDi 16v VTR+ EGS BS/ ESP, Handbrake fault (not working) Gearbox fault a few other as well, drives sometimes in auto through all the gears other time only manually through 1-3 I've had a couple of garages look at it both saying different things one said "I need a new gearbox" the other saying a new "ABS ECU" - Picasso 2005 1.6 diesel HDI engine fault light is showing. Symptoms are: 1. Hear turbo spinning when accelerating, particularly when in low gears 2. Engine fault light is showing 3. There is a notic … read more It's a citroen c4 grand picasso, 1.6 - Answered by a verified UK Auto Mechanic We use cookies to give you the best possible experience on our website. By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. 2.7. Start the engine Check that the engine starts without any difficulty. 2.8. Check the initialisation of the accesses safety auto-reverse function Check the correct operation of the following components and items : One-touch electric windows One-touch sunroofs One-touch blind 2.9. Check the operation of the parking brake Within a few hundred yards of leaving the petrol station the engine fault comes up on the media screen and service light stays on, after a couple of days it goes out but as soon as you fill up again on it comes. The service isn't due. Citroen dealer suggested it maybe supermarket fuel but this has been proven wrong. The car drives fine. A sudden warning last Friday displayed "emissions fault", Urea warning light, and "have the engine repaired" warnings, complete with bells and whistles, plus a countdown, " engine will be prevented from starting after 700 miles". My local Citroen dealer who sold me the car 4 years ago is unable to fit me in "for weeks". They said you didn't need to, after a bit of back and to they put it on the computer and it has 3 faults. B1624 supplies protection and management unit central Power switch positive relay status fault. B162C accessories positive relay control and status not coherent. C1406 engine or power steering calculator overtemperature not characterised. I have just bought the car and the first time I started the car away from the garage 2 faults appeared - "Engine fault - repair needed" and then "Particle filter additive level too low - repair needed. Also the red service light illuminated. Do you think the engine fault is related to the particle filter additive or are they 2 separate faults? iRKfZ.