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2-3-1 pulled from A-2 socket 850 1995

posted by  Mr. Detail on  Tue Feb 21 00:08 CST 2006
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last visit: Mon Sep 8 11:44 CST 2014
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I pulled a 2-3-1 code from my A-2 socket this morning but when I went to Volvospeed for their listings of code definitions there was only a 2-3-2.
The 2-3-2 speaks of possible causes being a defective MAF (Mass Air Flow meter),
low fuel pressure, air leakage and dirty oil. But since this is not what i pulled, can anyone tell me the meaning of a 2-3-1?








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2-3-1 pulled from A-2 socket 850 1995

posted by  ralpha on  Tue Feb 21 07:32 CST 2006
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last visit: Tue Jul 8 01:12 CST 2008
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I pulled a 2-3-1 code from my 94 854T a few months ago but I don't remember the exact wording of the code (it's in the Haynes manual, I think). It was something to do with "faulty long-term fuel trim mix" as I recall. Turned out to be a crack in one of the intercooler pipes off the turbo. Basicly, a vacuum leak in the turbo system. Replacing the pipe fixed the problem. Hope that helps.







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