my car is running rough, adverb I can get it to start

I'm so sorry to say that there's little we can advise you in this forum -- other than seeking hands on experienced guidance. It's way too hard to know what you'll need here, based on limited information available. Diagnostic testing starting with the basics - engine timing, compression, ignition spark, fuel delivery, air intake -- it all needs to be evaluated. Seek the guidance of a local tech near you!