While you wait for answers, we may have found some information which could help you.
Click here for Fridge Works Gasfiat ducuto speedo?
Fiat ducato 1.9d won't start?
faulty temperature gauge on my fiat ducato 2.3 2005?
fiat ducato 2.5td steering lock locked?
how to fix fiat ducato gear box?
1990 Fiat Ducato 2.5 TD starting?