idle and rev problems

[fleckers172cup]

i have recently been having problems with my car not reving over 3000 revs justwondering what this could be

i also have a light on the dashboard can anyone help ?????????????

 

[24Seven]

Limp home mode by the sound of it. Which light is on?

 

[fleckers172cup]

its the one above the petrol gauge light the one with the ecg thing the box with the up and down lines on it