DEF light flashing

Discussion in 'Experienced Truckers' Advice' started by Cw5110, Feb 4, 2016.

  1. Anonymousproxy

    Anonymousproxy Road Train Member

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    Mar 2, 2015
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    I drove a 2012 kW 660 with a past company and it was a complete nightmare with the def system.
     
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  3. Stump

    Stump Heavy Load Member

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    Jan 27, 2009
    Modesto CA
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    With a Cummings emission engine it could be 1 of 1000 different things, take it to the dealer so they can start throwing parts at it, $5000-$20,000 later, it might be fixed, just the reality of these engines.
     
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  4. Jim Dean

    Jim Dean Bobtail Member

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    Feb 14, 2016
    Oklahoma
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    You well need to take to the shop an clear the codes out of it because that is what mine is doing an even when it is very cold.
     
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