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Related Medium and Heavy Trucks Questions
Having problems with cummins isx 870, 2005. Low power, no
Having problems with cummins isx 870, 2005. Low power, no turbo boost until in 6th gear, then the boost hesitate and sometimes reach 15 psi on the boost and continuous BLACK SMOKE constantly … read more
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Jackie Dempsey
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Have a 2006 international eagle 9400i with Cummins isx. I
Have a 2006 international eagle 9400i with Cummins isx. I have replaced all the sensors on the erg. replaced turbo. Replaced air intake. The truck builds a little boost and then releases it. Not sure … read more
Andy
Andy
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Vocational, Technical or Trade School
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Isx 15 2014 model serial number 79768571 truck came un with
Isx 15 2014 model serial number 79768571 truck came un with blown turbo installed new turbo truck is only build up to 10 psi boost check for codes no codes replace the turbo boost sensor on the intake… read more
james Roberts
james Roberts
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Heater blower motor quit on 2016 IHC 9900I Eagle. Cummins.
controls seem to work. But not blower trying to find location … read more
james Roberts
james Roberts
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We have a n14 celect plus. It was just completely rebuilt.
We have a n14 celect plus. It was just completely rebuilt. New injectors. Runs awesome but no power only 20lbs boost. No black smoke. Check charge air cooler and plumbing. All good no leaks. Checked f… read more
Mike Mcmillan
Mike Mcmillan
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I was talking with one of your specialist, Jeremy, and he
I was talking with one of your specialist, Jeremy, and he said to request another tech, because he ran out of ideas. He said to ask specifically for cummins Dr. Its a 2008 Cummins ISX, … read more
Daniel Wilson
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07 isx frequently drops off to rough idle smoke from stacks
07 isx frequently drops off to rough idle white smoke from stacks no fuel pedal no codes from ecm changed speed sensor cleaned fuel regulator doing same thing if you shut engine off for few minutes it… read more
Daniel Wilson
Daniel Wilson
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Dr. Cummins, I have an ISX that is "derating" when the check
Dr. Cummins, I have an ISX that is "derating" when the check engine light comes and and a warning beeper goes off. This truck is off site I'm just wondering at this point what will cause this problem.… read more
cumminsdr
cumminsdr
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Have a tuned isx deleted was getting 40 lb boost turbo
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Nicholas Awtry
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I'm not able to build boost I have replaced turbo and turbo
I'm not able to build boost I have replaced turbo and turbo control valve . I have a active code saying the vgt driver circuit is high voltage . it is a 2005 pete with a cummins 475 … read more
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My Cummins ISX motor is causing a problem. I get an engine
My Cummins ISX motor is causing a problem. I get an engine warning light that comes on and it'll go on and off intermittently period occasionally it will shut the turbo off completely or at least it w… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
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I have boost pressure code shows no boost pressure on gauge.
I have boost pressure code shows no boost pressure on gauge. when I shut truck off and restart code goes out with in seconds and all is normal I drive 5 to 10 miles same problem I change sensor checke… read more
cumminsdr
cumminsdr
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I have a 2005 ihc eagle 9900i with a isx cummins the cooling
I have a 2005 ihc eagle 9900i with a isx cummins the cooling fan stays on. I pressured up the air line going to fan clutch with 100pound pressure and the fan released so I checked the air pressure com… read more
Jeremy
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When I turn the key on in my 2005 ihc 9900i isx all gauges
When I turn the key on in my 2005 ihc 9900i isx all gauges roll all the way over and come back like they should but after about 5 seconds they go all the way over again and stay there and my oil press… read more
Andy
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Im working on a 2014 kenworth with 15L ISX WE SENT THE DPF
Im working on a 2014 kenworth with 15L ISX WE SENT THE DPF and the DOC TO BE CLEANED just because it has 7000 hours and we want to be proactive and reduce down time. I would like to know if I have to … read more
cumminsdr
cumminsdr
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I have a 2006 IHC with a ISM 410 hp. No boost or power and
I have a 2006 IHC with a ISM 410 hp. No boost or power and smokes black when cold. After engine gets to a minimum of 180-185 degrees...actually has to be closer to the 185 degree mark....you shut the … read more
Andy
Andy
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Vocational, Technical or Trade School
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cummins kenworth isx: I am working on a cummins isx with a
I am working on a cummins isx with a dpf delete it was ran without coolant and a valve went thru the turbo has new head turbo and air to air when i start it it idles to 900! and will only build 20 ibs… read more
Jim
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212 satisfied customers
I have a 2008 Peterbilt with a 2007 ISX 485 engine. I have
I have a 2008 Peterbilt with a 2007 ISX 485 engine. I have low turbo boost and a de-rate condition along with no state 3 engine brake. Some of the time the truck runs great, other times it has low pow… 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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