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I have a 1988 Buick Century and it will start and run for 45 minutes then just

(1990 Buick Century)
in Roslindale, MA on August 10, 2016
when the car heats up it stalls out and will not restart until the next day when it has cooled down.My Mec had it for a week thought it was the ECM put a new one in but it still has the same problem.The car has fuel pressure.I need some help on this one guys. It is a 1988 Buick Century.
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Popular Answer
on August 10, 2016
Engine size always useful info.
on August 11, 2016
2.8 Multi port injection
on August 11, 2016
Got to know how MUCH fuel pressure it has - in psi .. and IF ignition spark IS present - while engine will NOT start.
on August 11, 2016
It had 50 PSI WHEN NOT RUNNING AND IT'S NOT THE ECM WE CHANGED IT THINKING IT WAS THAT BUT IT WASN'T hE ALSO REPLACED THE CRANK SENSOR AND IT STILL WAS STALLING WHEN IT GOT HOT.IT WILL NOT START UNTIL THE NEXT DAY WHEN IT HAS COOLED DOWN.WE TOOK THE BRAIN OUT IN THE GLOVE BOX CLEANED IT OUT WITH AIR AND PUT IT BACK IN BUT STILL DIDN'T TURN OVER.THE BRAIN HAS BEEN REPLACED CAUSE THERE WAS A STICKER ON THE BRAIN BOX STATING THAT IT HAS BEEN REPLACED.IT IS ALSO GETTING SPARK SO I AM PULLING MY HAIR OUT WITH THIS ONE!
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