can anyone help me? ive a 97 1.9d turns over but wont start, fuel in filter but no air dectected flowing through to deisel pump, selenoid checks out a ok, unscrewed fuel line on deisel pump side the 4 injector pipes but yet no fuel comes through. stopped yesterday towed it started then stopped wont start now at all . can anyone help with wat this could be or wat else i can check?