Citroën C4 Picasso community

The AC would not come on at all. Every effort to start it, is abortive

I am getting a P0087 error code on my 2009 c4 picasso vehicle. Spark plug, coil, fuel pump, oil maintenance has been done. I also changed the fuel pressure sensor but it continues to give an error cod… 

Un voyant risque de colmatage filtre a particules est apparu il y a 2 mois. Un garage m'a nettoyé le fap par injection avant de me dire qu'il était encrassé à 40% et qu'il ne pouvait y avoir aucune ga… 

The heated seats don't work on the driver's side. The light on the control button doesn't come on either. The passenger side does work.

I have 1.6l hdi engine on my Citroen C4 Picasso dv6...it goes off when driving at gear 3...it also gives wierd sound...I don't understand