paul123

hi, my fiesta has stated to let me down it will not start on cold/damp mornings or evenings.all dash lights light up i can hear fuel pump kick in i have had ecu tested that came back all clear .i have undone all connections and found all are clean batterry is in good condition all earths are clean and making good contact on warm days it is fine .it is doing my head in what can it be please help starter is ok

tabetha

Leaking HT lead ?, does it miss at all when it does start reluctantly ?
tabetha

paul123

no it runs fine will start and then not wont even turn over immobiliser light flashes rapidly

tabetha

Certainly seems to be from further description a immoby fault, do you have any water leak in the car as these are majorly sensitive to moisture.
tabetha

paul123

no leak in car that i can see i have the ecu in a bag any way and no moisture in the bag like i said in thread some times it starts other times not is there some sort of cold start sensor on this model ?