check engine light check 2-3times

Discussion in 'Electrical' started by 19981200s, Apr 3, 2015.

  1. 19981200s

    19981200s New Member

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    key on check 8sec off back on 8 sec off start not back on no self check codes ecm? odd advance at times - notfuel speedo replaced 2 x befor me slight ping 2950-3100 hot day load ?why baro sensor