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95 s10 2.2 code 23

Discussion in 'Chevy S10 Forum (GMC Sonoma)' started by earnman, Jan 3, 2012.

  1. earnman

    earnman New Member

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    ck engine light on code 23 low iat(mat)temp
    problem is i have no iat on this vehicle i cked all intake duct from filter back
    scanner shows -40 degrees for something i have not got?
    any ideas?
    thanks
    #1
  2. earnman

    earnman New Member

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    found problem apparently the iat fell out and fan cut wires. took awhile to find wires and place for iat was under shout by radiator
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