My wife had a Ford Mondeo 2.0l automatic years ago and had the same problem.....just would stay in 1st and move up to 3rd....no 2nd or 4th....I found a specialist automatic repairs garage in Thornton Heath, near Croydon.....we thought a possible new transmission gearbox....they assessed it and said it was something to do with the belts breaking and they could take it in that morning......should take approx 3 Hours to do and cost £350 + vat .......we thought we were looking at £1500-£1800 for a reconditioned one and far more for a new gearbox, so if you know anyone reliable that do automatic repairs, I would take it to them for a check over what is involved.....would cost today around possibly double my price I would imagine....I'm talking early 2000's....we picked it up in the afternoon and all fixed...gave us 1 year warranty too.
Hope it's nothing too big, dl56uk