2000 Citroen Berlingo Problems

hi,the dash on my van has stopped working (clocks,gauges,lights...)only intermitent warning lights flashing and buzzing noise even with ignition off,any help appreciated thanks.maf

My citroen van has an l p g conversion. It has just been serviced, new air filters oil change etc. I filled up at my local shell garage, and now when I switch across to gas it just cuts out completely. It appears that there is no fuel ...

The speedo and rev counter are not working. I have had a garage look at the problem but they couldn't solve it....,They are suggesting to take it to a main dealer but if there are any trade secrets or tips to sort this problem without taki...