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Car
Car runs want stay started after warms up starts for a second and dies like on 1990 Pontiac Grand Prix

Rookie cbe0621eac06868b3efe0d8d1d3611e23c60d3114864ea2ec19a68cfbd3eebab
your turning key back off
(1) Answer
Replace the fuel pump relay and see if that fixes it. I had a Pontiac Grand Am that would run good, but if it was turned off after it warmed up, it would not restart for an hour. The problem was a defective fuel pump relay.