1990 Buick Riviera runs rough

Tiny
THE1VIB11
  • MEMBER
  • 1990 BUICK RIVIERA
  • 6 CYL
  • FWD
  • AUTOMATIC
  • 770,000 MILES
No power till certain speed
Sunday, April 27th, 2008 AT 9:20 AM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS


https://www.2carpros.com/forum/automotive_pictures/62217_95_OlderGM_12.jpg

Cross these two terminals as shown, then turn the key on. Count the flashes, a 22 will flash as 2 flashes then a short pause, then 2 flashes, if more than one code is stored, the pause will be longer. The codes will display three times and end with 12. Write them down and post here. This connector is right under the middle of the dash...
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Sunday, April 27th, 2008 AT 9:24 AM

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