I have a 1999 grand prix gtp that Hesitate When your getting on freeway,i have to give it more gas.
go to a auto part store and see what codes your computer has
The only code tha pop up was the massive air flow which i change
air filter clean and look at the boot to the intake make sure it is tight or a vacuum leak
Looking for a Used Grand Prix in your area?
CarGurus has 2,852 nationwide Grand Prix listings starting at $1,995.
Search Pontiac Grand Prix Questions
Pontiac Grand Prix Experts