What would make a 1991 Buick Regal start up and then then die if you dont keep your foot on the gas at the same time?
1991 regal must have a 3800,inspect the mass air flow sensor in
the ductwork,ensure that the filoment is clean if not clean it with
come carb or brake cleanet also ensure that the clamps on the air
intake after the mass air flow are tight,if that's not it than
ensure it has no vacuum leaks.will it stay running with your foot
on the gas? give me more info and ill give you the best advice i
can.