X15 EGR Issue

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by north60, Apr 21, 2020.

  1. ChuckMartel

    ChuckMartel Light Load Member

    160
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    Jan 22, 2021
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    I’ve seen partially plugged EGR coolers cause this code.
     
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  3. north60

    north60 Bobtail Member

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    25
    Jun 13, 2019
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    In case anyone is wondering, I finally fixed it. I found the issue was the EGR diff pressure sensor had wires rubbed together about 6 inches from the connector, dropping the signal voltage and making it read incorrect. fixed wiring and never seen this code again on this unit.
     
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