03 1.9tdi cuts out when hot wont start for 15/20 mins

[tinman]

hi my galaxy 1.9 tdi cuts out when hot leave it 15/20 mins will restart then cuts out again 
let the car tickover today until it cut out and there was a lot of blue  car drive fine 
no eml lamp on   

[Chrispb]

 
Tinman

Could be a number of things

Relay 109
Cam/crank sensors
engine wiring issue
Check fault codes
Immobiliser blocking