My check engine light is blinking on my 1999 Mustang. It is running really bad like it feels like i have a lot less power... Everything is stock on the car.. I need help very bad.. Do you think maybe my injectors maybe be dirty and one is clogged.. The fuel filter has never been changed before but i have a new one... What do you guys think.. Are 1999 V6 Mustangs known for Head Gasket problems.. Its got 80k miles on it... Please help... 
.... Check engine light is flashing when i drive the car(Started today)... Thank you...