Hi, I have changed the fuel filter as that keep coming up as maybe the problem. Done everything I should do and gone to pump the ball thing but it isn’t dragging any fuel through. Why would that be, do you know? Thank you in advance.

Hi, first post. Hopefully someone can help. I have a 2007 Qashqai. I had the turbo changed about 6 months ago, the car has seemed sluggish since but today there was hardly any power when accelerating. It struggled to go above 20mph. When I took my foot off the accelerator and pressed down again it s...