Question

P0101 Pontiac -2002 grand prix. starts chuggs while trying to stay running then stalls.

Answer 1

P0101 MAF (mass air flow ) circuit range / perfomance problem

Disconnect the MAF sensor if the idle improves you may need a MAF,  When the MAF sensor fails the MAP (manifold absolute sensor) is ignored and the MAP  is used for load calculations, Take a fuel pressure reading low fuel pressure will do what you have described and also set a MAF code. the fuel specification are Key on engine off 52-59psi.