1990 BUICK LESABRE FAULT CODE LIST

  • Tiny
  • Iliad98supra
  • 1990 Buick Lesabre

Engine Performance problem
1990 Buick Lesabre 6 cyl Front Wheel Drive Automatic 162000 miles

Howdy, do you know where I can obtain a list of current fault codes for this model?

Wednesday, August 11th, 2010 AT 5:36 PM

2 Answers

  • Tiny
  • saturntech9
  • Expert
  • 28,813 posts

What are the code number's you have?Let me know and I will get you the trouble tree's for them.

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Wednesday, August 11th, 2010 AT 7:54 PM
  • Tiny
  • Iliad98supra
  • Member

Howdy,

I'm flashing a code 34 (which I believe is a MAF sensor) and a 64 which I cannot find anywhere (OEM or other sources). Thanks. I replaced the EGR, O2, and MAF and still I'm getting slight hesitation and rich fuel. Spark plugs look OK and I'm put a fuel treatment in the tank. Still at square 1.

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Friday, August 13th, 2010 AT 5:25 PM

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