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  1. OBDI YJ Trouble Code Reference

    YJ Jeep Wrangler OEM Forum
    Just thought this should be included on wranglerboard! This applies to Jeeps with On Board Diagnostics 1 (1991-1995 in YJs) First, if you do not have a DRBII scanner you can easily do the "key trick." The on-board reporting will communicate trouble codes to you through the check engine light in...
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