[mike155]

I have a 147 2.0ts lusso on an 02 plate.
it won't rev over 4500 revs
changed mas air flow sensor.
had a diag done u1711 was the fault.
iv'e seen this problem before on this forum but never seen how to fix it and get the revs back.
I also have the flashing speedo
any help greatly recieved
mike