1990 Buick Riviera runs rough

1990 BUICK RIVIERA
770,000 MILES • 6 CYL • FWD • AUTOMATIC
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THE1VIB11
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  • 1 POST
no power till certain speed
Apr 27, 2008 at 9:20 AM
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MERLIN2021
  • ✓ASE Certified Mechanic
  • 17,250 POSTS
  • ASE Certified Mechanic


https://images.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...
Apr 27, 2008 at 9:24 AM
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