Foed ranger 2001
Hi i got a P0301 code , culinder 1 missfire , i have changed the coil pack plugs wire , number 1 fuel injector , cam position sensor, cam sensor, catalic converter , gas tank cover , fuel filter , no air leaks , compression good in all cylinders, the vehicle is only at 62000 miles , i will clear the codes , and sure enough it comes right back , the vehicle gives problem when you kick down , i used to get the o/d light blinging , that has stopped , a few days ago my airbag will come on and blink 4 times then stay on , this has only happen for 2 days then it is ok again , the vehickle bucks at 50 mph or when you kick down , can anyone help me figure out the problem .