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2011 388 Pete, the clearance lights won't come on. someone
2011 388 Pete, the clearance lights won't come on. someone has messed with the wiring but I have most of it hooked back up to factory. if I trip the relay the lights all work fine so my problem is som… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I just put on a new transfer pump and gear pump on my isx
I just put on a new transfer pump and gear pump on my isx Cummins and can't get it to start … read more
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Bradey V
Certificate
I have a 2012 Cummins ISX. We just completed an out of frame
I have a 2012 Cummins ISX. We just completed an out of frame overhaul. Motor runs great, but has a weird oil pressure situation. At start up, the oil pressure gauge goes up to about 70 psi. Stays ther… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
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I'm getting a DPF fuel injector 1 no response every time I
Hi I'm getting a DPF fuel injector 1 no response every time I go over 72 miles an hour … read more
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Could battery cables possibly be the problem have tried all
Could battery cables possibly be the problem have tried all of the above and same problem just 8000 Mike's on a total rebuild. Was running great turned a corner and this trouble started … read more
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2012 Peterbilt 388, AC not working, front dash AC module
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Daniel Wilson
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I have a 2013 Peterbilt 388. I'm getting a fault code
Hello I have a 2013 Peterbilt 388. I'm getting a fault code reading of Aftertreatment 1 SCR Efficiency Conversion. What does this mean for my truck? … read more
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I have a Cummins isx 2007, hard to start rough idle. Cummins
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I have a 2010 Peterbilt 387 with a Cummins ISX 450hp with 2
I have a 2010 Peterbilt 387 with a Cummins ISX 450hp with 2 active codes, Fault codes:0255 AMBER- ENGINE FUEL SHUTOFF VALVE DRIVER CIRCUIT-VOLTAGE ABOVE NORMAL, OR SHORTED TO HIGH SOURCE0257 AMBER- EN… read more
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I have a 2008 cummins ISM 350 that will crank but will not
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Coolant coming in intakes 123 front being 1. not the egr its
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I have 88 Peterbilt 379 with a Cummins Big Cam IV cpl#821
I have 88 Peterbilt 379 with a Cummins Big Cam IV cpl#821 that we just replaced a cracked piston in cylinder #3, the middle head gasket, one cracked exhaust valve and one intake valve and of course di… read more
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I have an 2008 Peterbilt with an isx cummins. I could get
I have an 2008 Peterbilt with an isx cummins. I could get more info about if in the morning but the truck doesn't have much power it only will build about 31-32 pounds of boost and it normally builds … read more
FIX-IT
FIX-IT
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I have an issue with my engine It have a code spn 3482 fmi
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2011 peterbilt 389 dies intermit at idle or no start.
2011 peterbilt 389 dies intermit at idle or no start. Starter, sensors, relays, ignition equip, DEF redone, 2 injectors replaced, and more. At a loss. Once in awhile code for fuel pressure. Planning t… read more
Daniel Wilson
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I acquired a Cummins isx 15 550 engine (cm2350) complete
I acquired a Cummins isx 15 550 engine (cm2350) complete with fuller transmission and emissions after treatment system (egr, scr) off of an 2015 international truck. ecu and wire harness included up t… read more
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