Just bought myself a small turbo escort cosworth and it broke down on the motorway on the way home!! it runs ok for about an hour then cuts out and there is no spark but after about 5 mins it will start and run for about another hour any ideas, it seems like something is breaking down when it is getting hot!!

Can anyone help please!!!!!!!!!! i have been at it for about 3 weeks the car has been every where from a cosworth mech to a auto spark and they can not find out what is up with!!!!

P.S does anyone have the correct part number for the EDIS module for the same car???

 

are you sure its a spark problem? i had something similar once and it was the fuel pump.
the fuse box was breaking down and cutting the pump,then after 20mins or so when it had cooled down it was fine again

 

Check the coil pack.

Martin

 

crank sensors do this too exactly as described whwn it does it drop a multimeter on the sensor and check the resistance mate