FAULT CODE LIST

1990 Buick Lesabre

Tiny

Iliad98supra

August, 11, 2010 AT 5:36 PM

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?

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2 Answers

Tiny

saturntech9

August, 11, 2010 AT 7:54 PM

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

Tiny

Iliad98supra

August, 13, 2010 AT 5:25 PM

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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