service engine soon

  1. D

    Wanted Help! PO 171 code mystery

    I hope this is the right place for this. I have a 2000 Park Avenue Ultra. 121,000 miles. Well cared for all its life. However, the service engine light came on a few months ago and it’s showing a PO 171–left bank 1 too lean. I have taken my car to two Buick dealers and five independent...
  2. R

    SERVICE ENGINE SOON

    1996 Buick Regal Custom, 3.8L engine. Started the car and service engine soon light came on. It's not blinking it's just on solid. I heard that there's a difference. What is going on? I don't want to just turn the light off and forget about it, I want to fix it. I'm going to AutoZone tomorrow to...
  3. J

    97 buick regal cranking issue

    Originally my 97 Buick [purchased in 06] started instantly in any temperature. Then one day about 2 years ago it no longer started instantly. Instead I would need to turn the key 3 times, each time letting the starter crank a few seconds, before it would finally start. Now I have learned to...
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