Citroen C4 Engine Low Power

When I Start Car An Rev It, It Will Only Rev Till 3500 Rpm's. But If I Give The Accelerator A Quick Flick With My Foot It Goes Back To...

I Drive A Citreon C4 2007 Hdci And I Got A Message On The Dash Saying That The Anti Pollution Fault, A Mechanic Changed This But Now When I...

In The Morning When I Start The Car There Is No Problem, The Problem Is When I Put It Into Gear To Drive Off There Is A Loss Of Power My...