hi any ideas on what this is come home today while driving on the motorway lost powr suddenly for a while then it picked up again after and was fine it done that twice on me but round town its fine if anyone can help thanks

Can Any Body Help Ive Got A 2000 P38 V8 4.0 Autobiography It Starts Fine No Problems But Then A Couple O Fmins After Pulling Away It Pops A Couple Of Times Not Very Loud But Then I Lose Power But Dont Stall I Can Put My Foot To The Floor And Nothing Happens No Revs Or Nothing Then After A...