Hard to know exactly what you mean by "popping" but I'd do a compression check and see if you've got a bad valve. You could also check the timing.
Torque converter going bad.
Change the fuel filter.
I just purchased a 1990 Buick Riviera with 45,000 on it for my daughter. However, I did have a brief period that you discribed with the car stalling out. I don't know if this will help, but I just read at another site, that it may have a faulty idle air control.
poor or watered down gas or wrong ignition timing would be best place to start
What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's?
What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's? What were the events that happened in America during the 1990's?
Try a can of Seafoam Engine Tune. It will sometimes work wonders on clogged injectors. www.seafoamsales.com
I'd be suspicious of the TPS but that should show as a computer diagnostic code. Run a code scan first.
The Prime Minister of Australia during 1990 was Robert 'Bob' Hawke.
sounds like cat is plug
Somehow there is cylinder pressure or radiator pressure getting into the crankcase. There is a problem. Take it to a repair shop ASAP.
The attendance during the Scottish League Cup finals of 1990 was 61,190.