heY MATE MINES DOIN SORTA THE SAME THING, mine is sittin on about 8ok/hr in 5th then if i accelarate it starts missing and i loose power and can accelerate, i have to pull off the road and the car dies then, and it takes a bit to get goin again, now its been in the shop for a couple of days and i keep gettin it back in the same condition it was in, they have replaced the spark plugs, cleaned oil out of the afm, and they have just now replaced the fuel filter which was 90% blocked, but mines revein at about 3thou when it starts this prob, and auto elec tested it and electrically its rrunnnin fine, anyone no wat it could be??????