2009 peterbilt 389 cummins isx red triangle see operators manual

Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rediron6, Apr 30, 2017.

  1. rediron6

    rediron6 Light Load Member

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    Aug 10, 2011
    albany, ny
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    have a 2009 peterbilt 389 cummins isx shut down. shows red triangle and under faults it says see operators manual.
     
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  3. Bakerman

    Bakerman Road Train Member

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    Jan 27, 2013
    Phoenix, AZ
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    Only thing I can find online is seek service immediately.

    What was oil pressure and engine temp before shutdown?
     
  4. rediron6

    rediron6 Light Load Member

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    1
    Aug 10, 2011
    albany, ny
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    Its bucking and then stalls. like starving for fuel.
     
  5. rediron6

    rediron6 Light Load Member

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    1
    Aug 10, 2011
    albany, ny
    0
    ok. we got a code for crankcase pressure. any ideas to get us going ?
     
  6. GrapeApe

    GrapeApe Road Train Member

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    Jan 7, 2013
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    When was the last time you changed the crankcase filter? A clogged filter is the most common problem. But, you could have a sensor or wiring issue as well, if you can't get the full fault code, you don't know if it's an electrical problem, so I'd start with a filter.

    Ditch the filter and buy the baffle that doesn't plug up.
     
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