Originally Posted by woodoctor38

I bought an 02 f150 with 4.6. I've had about two months .It run really good an has just about 60,000 miles on it . I noticed it runs alittle rough at idle ,but it misses when I'm going 45 to 50 mph .If I go faster it's fine or slower it ok ..I don't have any engine codes or check engine light on . I had to replace the tranny internal wiring harness a week ago.Thats how I know there are no pending codes. Any help woud be great .