ecp ligth it's on ...do you know what can i do it

I had that problem, whenever the light came on it was like my car had no power whatsoever. Luckily I work at a garage and I read website after website on what it could possibly be. I had a mechanic check a couple of hoses on the top of the engine and it he just pulled one off and put it back on ( he said it could be replaced because it was worn) but ever since the light has never came back on. The hose was located near the coils it was just a few inches long and thin. Sorry I don't know the technical term. Hopefully that will work for you as well

Its like the check engine light. EPC "Electronic Power Control" You should scan it, or take it to a mechanic.