when i stop for traffic or slow down ie lights roundabouts my engine just stops but it always starts again its random i have just had emmissions test and had a new sencer fitted i maybe wrong but i think it maybe a electrical fault has anyone come across this before its a ford focus v reg any help please

maria, September 2011

Idle control valve, or PCV (positive crankcase ventilation valve), or a split hose.
See:
http://www.honestjohn.co.uk/forum/post/index.htm?t=68050

Let us know how you get on.

ChicksFan, September 2011