OK HERE IS MY ISSUE AUTO PARTS STORE TOLD M E BOSH PLATNUM PLUGS WERE OK TO USE NOE FOR DEALER IS TELLING ME NO GET MOTORCRAFT PLATNUM. I JUST PUT IN NEW BOSH PLUGS AND NOW IT RUNS VERY ROUGH AND STALLS I HAVE CHECKED FIRING ORDER ON WIRES AND ALL SEEMS CORRECT IS THIS CORRECT ON THE BRAND...