How do you change air filter on fiat doblo van?

it's very easy

on tde top cover on the engine you have 3 bolts

unscrew and lift the cap, and you should see the filter element

you should clean the slot before changing the filter.

For Fiat doblo cargo vans the air/pollen filteris at the right handside of the engine cover held with 3 x 7mm bolts these should be removed and top cover can be romoved there after.