2002 Dt466 keeps stalling, then starts back up at different intervals

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by Zans, Jan 28, 2021.

  1. Jay2350

    Jay2350 Bobtail Member

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    Feb 25, 2022
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    Did you resolve the issue
     
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  3. Jay2350

    Jay2350 Bobtail Member

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    Feb 25, 2022
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  5. Heavyd

    Heavyd Road Train Member

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    Feb 4, 2009
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    With Internationals and DT engines, the only normal situation that causes a flashing check engine light is when the engine is about to shut down because of the idle shutdown timer. This is a fast rapid steady flash. If the light is coming on and off more randomly with not a specific pattern, that could be a problem with the engine losing battery power and going through start up sequence and a bulb test every time power is restored. If you have loss of battery power, you will get "unexpected reset" codes and other modules like the body controller and ABS ecu will log codes about loss of communication with the engine controller. If the engine is losing ignition power, the engine will not log any codes, but the other modules will still log the same ones.
     
    spsauerland Thanks this.
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