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What is the 12 trouble code and what to do to fix?

Anonymous

∙ 17y ago

Updated: 12/14/2022

Just did this trouble code check to my 95 s-10. 12 code is the code showing your in diagnostic mode (flashes 12 three times). The code following this will be your problem's code. Mine was 13 (open wire at oxygen sensor). Replaced sensor and disconnected neg. batt cable to reset. I have list of codes if you need. Kevin

Wiki User

∙ 17y ago

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