my car does not want to accelerate while driving it feels like it wants to shut off or its chocking
Sound like a plugged catalytic converter. Have it checked out at an exhaust shop.
Agree with Rowefast,all so may not hurt to change your fuel filter.
Looking for a Used Century in your area?
CarGurus has 1,274 nationwide Century listings starting at $3,295.
Search Buick Century Questions
Buick Century Experts