Fiesta Duratec won't start when warm
 

Hi there guys.

I am trying to solve a problem a friend of mine has in her Fiesta 1.3 Duratec (2004).
It starts up perfectly in the morning and runs with out any problems but once it warms up and is switched off, it doesn't start again. Once left to cool for a bit, it starts again without problems. The engine check light is not on.
I'm assuming it's one of the sensors giving incorrect information.
I changed the pugs quite recently so I doubt it's them.

Any ideas?:wall:

Coolant temperature sensor possibly?

Thanks for the prompt reply.
I suspected that or the lambda sensor.
Any idea how I could go about checking without buying a new sensor?

cheeRS :top: