I have got a 1998 Ford Escort 1.8TD estate which drives fine until intermitantly, it loses power and the engine finally stalls. It starts again fine straight away and runs fine for a while and then plays up again. It usually loses power on going up hills but not necesarially on all hills. Also the heater plug dashboard warning light flashes intermitantly whilst I am driving. I have read other posts on here about this being the engine management system warning that there is a problem and then putting the engine into safe mode but as far as I am aware my car does not have an engine management computer on board. Any suggestions as to what I can check before taking it to the garage please. Thanks

 

As a follow on now the car will not start, the immobiliser light is flashing at me and the heater plug light is not illuminating at all. Any suggestions greatfully received !!!

 

are you getting power to your heater plugs,check this first to rule them out.