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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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Scott Anthony
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HS Diploma
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I am getting fuel in the oil on a isx cummins 2011 engine.
i am getting fuel in the oil on a isx cummins 2011 engine … read more
Mike Mcmillan
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ISX 15, just general knowledge question. Why are some isx
ISX 15, just general knowledge question. Why are some isx are rated 400hp and some other even 500hp, is the block and head same capacity? Or injectors are different?… read more
cumminsdr
cumminsdr
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Dr.Cummins, I have a ISX that I would like to know what the
Dr.Cummins,I have a ISX that I would like to know what the max HP and torque is without changing hard parts etc. ESN- 79321636, CPL 2732 Current HP 385… read more
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Saying fuel pressure delivery is the fault code and it wont
Saying fuel pressure delivery is the fault code and it wont start … read more
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I have a 2011 386 peterbilt show DPF fuel pressure delivery
I have a 2011 386 peterbilt show DPF fuel pressure delivery code and a clogged dpf symbol but just had the dpf filters cleaned but symbol stays active for clogged … read more
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Camshaft wore out, would like to replace with spare head and
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Curtis B.
Curtis B.
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2009 386 with Cummins ISX. Lose throttle and engine light
2009 386 with Cummins ISX. Lose throttle and engine light comes on. Code is throttle position. replaced 2 tps's, both the harnesses to ECM, and the ECM. Added more grounding and cleaned all connection… read more
Daniel Wilson
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I have an [email protected] how high can I take the hp & torque
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cumminsdr
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I have a 2012 Peterbilt with a Cummins ISX. the fan runs all
I have a 2012 Peterbilt with a Cummins ISX. the fan runs all the time. I changed the solenoid and fan switch. Still running. What's next ? … read more
Wayne
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I have a 2005 peterbilt 335 with a 315 hp cummins isc
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Alex Olsen
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I have a cummins isx 15, I'd like to know if and what I
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cumminsdr
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I have a Cummins ISX cm871 450hp 1650tq cpl#2732I was wanting
I have a Cummins ISX cm871 450hp 1650tq cpl#2732 I was wanting to increase it to 500hp 1850tq I have insite pro and was wanting to recalibrate my engine. I was thinking about going up 2 cpl#'s to 2734… read more
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I have a 2010 IH with an ISX ESN-79367574 the HP is set at
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cumminsdr
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We Have a 2008 386 Peterbilt with Cummins ISX Engine , Driver
We Have a 2008 386 Peterbilt with Cummins ISX Engine , Driver Says Oil Pressure is Fluctuwating Between 20 & 60 Lbs , Normal Pressure has been 38 lbs he changes Oil Filter & Made No Difference… read more
cumminsdr
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does anyone know what the maximum horsepower for my engine
does anyone know what the maximum horsepower for my engine is? CPL # XXXXX engine # XXXXX on a cummins isx...… read more
cumminsdr
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Hello, I am going to buy a used volvo truck with cummins
Hello, I am going to buy a used volvo truck with cummins isx 400hp st2 esn#79229092, dealer said it can be tune up to 500hp by the ECM. Will the fuel efficiency go down? Any other things will hurt the… read more
cumminsdr
cumminsdr
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I have a 2008 peterbilt 386 with a cummins isx. and randomly
I have a 2008 peterbilt 386 with a cummins isx. and randomly driving down the highway the cruise will shut off fan will turn on and jakes wont work. This happens all at once then drive for awhile and … read more
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Disclaimer: Information in questions, answers, and other posts on this site ("Posts") comes from individual users, not JustAnswer; JustAnswer is not responsible for Posts. Posts are for general information, are not intended to substitute for informed professional advice (medical, legal, veterinary, financial, etc.), or to establish a professional-client relationship. The site and services are provided "as is" with no warranty or representations by JustAnswer regarding the qualifications of Experts. To see what credentials have been verified by a third-party service, please click on the "Verified" symbol in some Experts' profiles. JustAnswer is not intended or designed for EMERGENCY questions which should be directed immediately by telephone or in-person to qualified professionals.

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