Ford ST/RS Forum banner
what have i broke?
1-1 of 1 Results
  1. 3.0 V6 'Duratec' Petrol Engines
    Dear all, I had a low rpm engine miss-fire so I replaced the spark plugs with the original Motorcraft items from the states (not the UK plug from dealers "one plug fits all"), now my missfire is cured by something feels wrong with my engine. There are no engine management lights, its not down...
1-1 of 1 Results