Home › Forums › Stay Dirty Lounge › 2006 F150 Hard Start and rough idle › Reply To: 2006 F150 Hard Start and rough idle July 10, 2021 at 9:12 am #991790 Keith OrtnerParticipant Update on my progress, The cylinder 2 misfire I was having was due to a bad plug I bought a new Motorcraft plug and the issue went away. just because it is new doesn’t mean it is good.