hi can anyone help got 2007 1.9 doblo had new egr valve , mass flow metre , car still goes in limp moad , switch off enginge turn on and goes back to full power for about 2mins engine man light sometimes goes off if i drive for about 2days then will be ok for about a week or 2 then starts all over again ? doing my head in ..

Check out the manifold air pressure sensor.

Also check the turbo. If the wastegate vanes stick it could go overboost and ECU cuts to limp mode to avoid engine damage.