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1993 Buick Lesabre engine dies right aftsr starting

Tiny
RADGAST14
  • MEMBER
  • 1993 BUICK LESABRE
  • 194,000 MILES
For months engine fast idle would sometimes not slow down after warming up, when I shut off engine after warming up and restart it would idle at normal speed, today battery went bad and after replacing with a new battery the engine starts right away every time, then dies in one or two seconds, tried disconnecting the battery to reset the computer and it still dies right away.
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Saturday, June 1st, 2013 AT 5:42 PM

1 Reply

Tiny
KHLOW2008
  • MECHANIC
  • 41,815 POSTS
Seems like the idling speed is not correct and I would suggest having the throttle body and IAC cleaned and retest. If it fails to work, you would need to reset the IAC pintle.
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Saturday, June 1st, 2013 AT 11:39 PM

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