my ford fiesta 2001 is juddering intermittently when driven and the anti-theft light comes on at the same time ,does not do it all the time unpredictable.it is a fiesta flight 1.3cc
hi i have got a ford fiesta flight 1.3 i had the same problem its not a anti-theft warning light it may be the engine management light try changing to coil pack spark plugs and ht leads
ste, January 2011
hi it may be your carbretter idle or the dirt in the bottom of your petrol tank going into the carbretter.
