is it boosted??
my car was doing the same thing but it turned out to be my vvt-i.one of the butterfly vavles on it were bent ,and i had some boost leaks.
things that might help us help you.lol
1.what kinda car is it
2.is it swaped,stock,does it have mods
3.if modded then did it do it prior to the mods?