1991 Chevy Beretta cutting off after running

1991 CHEVROLET BERETTA
95,000 MILES • 6 CYL • FWD • AUTOMATIC
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SEABASS1858
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I just replaced a fuel pump and alternator and the battery test is excelent and i also had to replace and oil pressure sensor. It has a lopy idle and that cuts off at times. after letting sit overnight it wont start right away I have to crank it and go back to it before it would fire up. The fuel has great pressure and the computer is throwing no codes and the electrical system is sound. what could this be oh and I disconnected the battery and re connected it and it fired right up but went back to lopy idle and shutting off after a while.
Sep 29, 2010 at 12:32 PM
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JACOBANDNICKOLAS
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Have you checked the idle air control motor?
Nov 3, 2010 at 10:48 AM