Computer Code on 1993 Volvo 940

What does diagnostic code 3 1 2 mean? How can I fix it?

by in Roanoke, AL on March 30, 2011
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1 answer
ANSWER by , March 31, 2011
This code is not something you generally need to worry about. Can you describe the problem you're having? Have you checked codes in the fuel and ignition computers?