what causes low traction light while in park in driveway and dies? on 1994 Oldsmobile Cutlass Ciera

Car has been idle for a year.Replaced fuel pump and strainer.Drove car aboua a mile and was rough slowing down and picking up speeed became better.Just started car and it was idlong rough started to choke down when low traction light came on and car stopped,IT was in park.