My 1991 Century will start for days then it wont start unless I pull the ECM fuse and put it back in.

Tiny
CHARLES8967
  • MEMBER
  • 1991 BUICK CENTURY
  • 95,343 MILES
91 buick 3.3ltr will start for days and then wont start. Replace all sensors ecm. But you can pull the ecm fuse put it back in and the car starts
Sunday, September 11th, 2011 AT 9:45 PM

1 Reply

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
I would have a shop with a scanner monitor the ecm data when it does not start. You are re booting the system and it seems to work for that moment.
You need a good shop familiar with these repairs. It may be the ecm. Brands are very important. I would get a factory one, not an aftermarket.

Roy
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Monday, January 14th, 2019 AT 9:44 AM

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