Help us help you. By posting the year, make, model and engine near the beginning of your help request, followed by the symptoms (no start, high idle, misfire etc.) Along with any prevalent Diagnostic Trouble Codes, aka DTCs, other forum members will be able to help you get to a solution more quickly and easily!

Codes 26 27 28

  • autojoe
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7 years 10 months ago #21862 by autojoe
Codes 26 27 28 was created by autojoe
1986 BUICK skylark 3.0 can't find the quad driver codes in alldata for that year. Found for 1991. Anyone know where I can find out info I need for diagnosing these three codes? They are not listed alldata but with flash diagnostics they are stored in the ecm.

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  • Chad
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7 years 10 months ago #22029 by Chad
Replied by Chad on topic Codes 26 27 28
I found this on ShopKey.

"Knowledge is a weapon. Arm yourself, well, before going to do battle."
"Understanding a question is half an answer."
I have learned more by being wrong, than I have by being right. :-)
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