Desperate Help Needed

[Cally91]

Hi all sorry all but im desperate for help on a P reg ford galaxy 2.0 petrol the problem is once started and driven for 5 mins say it will just cut out and not start again untill its left to cool we have just replaced coil pack coz that was tempermental on 1 lead had it diagosed on reader yesterday and only problem come up was lambarda witch was replaced this morning but still running in to same problem right thats first

 

2nd problem is rough idel and sticking acelation possably conected to first but im not sure i never work on ford,im a vauxhall man my self but this is my mums and she needs it working if anyone has any ideas on what it might be pls do say

 

ps do ford put engine management lights on there petrol models if so what does it look like cos this galaxy doesnt seem to have one so wondering if its been tampered with for a quick sale mums only just bought it thanks kris

[insider]

Rough idle - check / clean / replace idle speed control valve.

Sticking accelerator - throttle cable / throttle body?

You've replaced the lambda sensor but you could also check the MAF sensor.