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1992 Buick Lesabre Service Engine Light

Tiny
MICHAELGEANA
  • MEMBER
  • 1992 BUICK LESABRE
Air Conditioning problem
1992 Buick Lesabre 6 cyl Front Wheel Drive Automatic

Driving down the interstate on a 90 degree day and I felt a loss of power and observed a Service engine light. I had the a/c running; so I turned it off. Instantly, the check engine light extinguished and there was an increase in power. Compressor problem, belt problem. Thoughts?

Thank you in advance for any help!
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Monday, June 23rd, 2008 AT 5:39 PM

1 Reply

Tiny
MERLIN2021
  • MECHANIC
  • 17,250 POSTS
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...


https://www.2carpros.com/forum/automotive_pictures/62217_GM_DLC95_Older_13.jpg

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Monday, June 23rd, 2008 AT 5:43 PM

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