On Thursday (24) at 10.46pm, one crew from Cottenham was called to a car fire on Black Pit Drove, Willingham.
Crews arrived to find the vehicle well alight.
Firefighters used two hose reels to extinguish the fire.
The crew returned to their station by 12am.
The cause of the fire was deliberate. Anyone with information should contact police by visiting www.cambs.police.uk to submit an online report or call Crimestoppers on 0800 555111.