well i was wondering.....i just bought this car and its been sitting for 6 years....right off the bat i put a new injector,fuel pump, fuel fillter, well i just now tried it on the road...and it seem went it goes to so high rpm it cuts out...like...weeeeeeennnnnn...then it ping pop crack bang...then u shift and its ok why is this????it seems to have a stutter box ,...oh its 2.5l -4 banger bout 122k miles...oh tw it seems to have very lil power...other then that it runs great..how can i fix my problem?