car runs but no power or excelleration on 1996 Pontiac Sunfire

no excelleration or power, slows more on hills

Asked by for the 1996 Pontiac Sunfire
2 answers
it could be a throttle positon sensor . This part isnt very expensive ,mine ran about $32.00 for my sunfire
Many possibilities, do you have a check engine light on? Does it feel like the engine or transmission?