hello, i have ford fiesta 2007 1.4 tdci engine has gone on the car so i was have another for fiesta which i was scraping, so i removed complete engine with gear box and swapped over, after job done car was first start no problem, after few days i could hear some noises and when press the clutch the noise will goes away , then i relies it colud be gear box not good then took it to garage to put back oreginal gear box and they did , since then the car wont start !! when put on computer it say (low fuel pressure) it starts by easy starter and runes for ours but it wont start by it self !! any help please what could be wrong with it ??
have you check the glow plugs