[Oggy]

I guess it depends on which engine?

DERVs:

Replacing The Fuel Filter On A Diesel Giulietta/500L & 500X

Alfa Romeo Giulietta and Fiat 500L/500X Diesel fuel filter replacement

www.alfaworkshop.co.uk

Just seen this post. Nev's correct, diesel Renegades have a fuel filter. Located on the left of the engine bay at the back, when looking from the front of the car.