Firebird Bogging Down??

[firebird98v6]

Ok here is my problem im sure this is common or hope it is...Car runs great untill I give it full throttle or even half throttle at start or when im going fast all of a sudden on the highway..When I step on it bogs down and studders for a few seconds then it will take off.What could this be..It has brand new plugs,wires,fuel filter,and pcv valve ..What the world would cause this!

[Question]

Maybe it is running to rich or lean?

[BethAnn]

I had the same problem, could be your ignition coils or ignition module. I eventually had a misfire code come up, but not immediately.

[Need4Camaro]

Check your O2 sensors, Mine are causing my car to do the exact same thing...

[BLLDOGG]

vacuum leak maybe? vacuum leak cause the hesitation and can do the shuddering

[navyblue2000]

check your ignition coils definitely...

could be a clogged/broken up catalytic converter as well...

[majeskyb]

When was the last time you changed your fuel filter? Could very well not be the problem, but mine did the exact same thing, only reverse of yours. Under light-medium throttle, it didn't want to go at all. Still, it doesn't hurt to change it

[HBHRacing]

I would be running a fuel pressure test if I was you.