have a 2009 peterbilt 389 cummins isx shut down. shows red triangle and under faults it says see operators manual.
2009 peterbilt 389 cummins isx red triangle see operators manual
Discussion in 'Heavy Duty Diesel Truck Mechanics Forum' started by rediron6, Apr 30, 2017.
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Only thing I can find online is seek service immediately.
What was oil pressure and engine temp before shutdown? -
Its bucking and then stalls. like starving for fuel.
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ok. we got a code for crankcase pressure. any ideas to get us going ?
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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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