hi i have a escort convertabel and it has a pinking problem also it got no powewre at all ita a cvh 8 valve injection the problem is if you put your foot to the floor it tugs in and if you easy of a bit it stars pulling but it pinks all the time when on third gear but the car is so slow that you cant get it to wheel spin at all it changed braine timming belt regultor fuel pump sparks leads map sensor and it still shit help if you could leave some advise as to what i can do thanks all you people