Cambridgeshire Fire and Rescue said the cause of the fire was "deliberate". (Image: Newsquest)
Arsonists are believed to have set fire to a car in Littleport on Friday.
A crew from Littleport was called to the blaze on Wisbech road at 2.13am on September 20.
Firefighters arrived to find a car on fire. Wearing breathing apparatus they extinguished the fire using hose reels and returned to their station by 3.30am.
In a statement, Cambridgeshire Fire and Rescue said 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.
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