automatic 1275

[starman]

i can be driving for awhile,and all ok,then engine running,but no forward power,and gear shift dosnt seem to engage
if i switch off,and leave for a while,can go again,also seems to happen when i rev,or its changing for a hill
any ideas?
dont know enough to do repairs myself,any one near?iam in dh8 area durham,
dont realy want to go to a garage,as wont have a clue,if they are over charging
thanks in advance for any help

[wimfournier]

Tell us some more.
Did you buy this car recently, or were you driving it for years already (for instance)?

[notamini]

I would start by checking issues which cause low oil pressure.
Is the oil level at full when checked properly? Is the oil the right grade? Has the filter been changed recently?
Start there.
Mark