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1994 Buick Lesabre Irregular engine shut off

Tiny
MARK MOLLESON
  • MEMBER
  • 1994 BUICK LESABRE
  • V8
  • 2WD
  • AUTOMATIC
  • 80,000 MILES
I will be driving along with the car running fine. With no warning and no specific circumstances the car will just shut off and coast. I can shift to N and restart and proceed on. It has never failed to restart and most times starts on the first easy attempt. The car is in a GM service center. They can get the car to fail but because it starts right back up and does not leave a computer message, they cannot fix. You have any ideas?
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Friday, July 25th, 2008 AT 8:49 AM

5 Replies

Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
Hard to believe Mr. Goodwrech cannot find problem.
Suggest they hook up a diagnostic scanner put it on drive test snapshot mode then drive car when it fails scanner will record what failed.
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Friday, July 25th, 2008 AT 9:12 AM
Tiny
MARK MOLLESON
  • MEMBER
  • 3 POSTS
GM Tech says that this year is no longer supported by computer system.
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Friday, July 25th, 2008 AT 9:29 AM
Tiny
DOCFIXIT
  • MECHANIC
  • 18,828 POSTS
It is OBD1 it has an ECM and that requires them hooking up an older ODB1 scan tool and drive. They are probably not old enough to have worked on a 14 yr old car.
Good luck
Try and find a good independent shop
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Friday, July 25th, 2008 AT 9:33 AM
Tiny
MARK MOLLESON
  • MEMBER
  • 3 POSTS
The best we can come with is "find a good shop". If I could do that I would not be here.
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Monday, August 11th, 2008 AT 2:45 PM
Tiny
GSP1981
  • MEMBER
  • 3 POSTS
When car dies does security light come on just before. Aprox time driving before dies could be anti. Theft problem.
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Wednesday, August 27th, 2008 AT 8:42 AM

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