Code 12 still flashes

Asked by JDogg301 Nov 22, 2018 at 04:28 PM about the 1990 Chevrolet Blazer 2-Door 4WD

Question type: Maintenance & Repair

I have a 1990 s10 blazer 4x4 4.3 v6 I learned to do
a self code check with out a tool by using a jumper
wire to A n B terminals its still flashing code 12  
what does that mean?

1 Answer

Your Answer:

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