Hey guys.... i need some extra advice if poss... i pull of in first..(not hangin about) then 2nd .. then all of a sudden there is a very dramatic power loss so i have to shift cange into 3rd v.quick or even back into 1st to get me moving again.. its becoming chronic now ... on one occasion the engine actually cut out on me because it lost that much power??? any ideas , cheers.....

do you notice any rasping sounds during acceleration?
if so check your intercooler hose for a split.