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Related Medium and Heavy Trucks Questions
I am trying to regen a 2008 kenworth with a Cummins ISX. The
Hello,I am trying to regen a 2008 kenworth with a Cummins ISX. The only code is for the spot level being moderately severe. Caused by the driver canceling regens. The truck is on high idle “not dosing… read more
NicholasM1019
NicholasM1019
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Vocational, Technical or Trade School
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I am looking at a 2013 Kenworth T600 with an ISX12 CNG motor
I am looking at a 2013 Kenworth T600 with an ISX12 CNG motor that is bad and wondering what it would take to replace with a diesel ISX engine? … read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
ISX 425 st not getting hot enough only 480 degrees on the
ISX 425 st not getting hot enough only 480 degrees on the regen replaced turbo seems its not getting enough fuel very poor/weak Regen. … read more
cumminsdr
cumminsdr
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High School or GED
1,700 satisfied customers
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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High School or GED
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I have a 2001 western star with a cummins isx. At times it
I have a 2001 western star with a cummins isx. At times it will idle very high and won't drop back down. It can be idling normal, step on the accelerator, and it might stay at wherever you put it, or … read more
Mike Mcmillan
Mike Mcmillan
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Have a 2009 isx 485 hp just had a short block with cams done
Have a 2009 isx 485 hp just had a short block with cams done everything was fine about 5000miles notice some smoke when starting the truck now after it sits I have what I believed to be oil coming out… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
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I have an ISX 15 engine I'm getting coolant in the fuel the
I have an ISX 15 engine I'm getting coolant in the fuel the injector cups have been already shimmed with the retaining ring authorized by Cummins. The fuel water separator is not hit by the coolant an… read more
Mike Mcmillan
Mike Mcmillan
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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
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,879 satisfied customers
2012 KW T660 ISX Cummins need to replace the turbo actuator
2012 KW T660 ISX Cummins need to replace the turbo actuator (vgt) questions is how important it's to calibrate it I don't have Cummins inside available with me I noticed when ignition key opens the ac… read more
cumminsdr
cumminsdr
Mechanic
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I have 2008 kenworth with 450 cummins isx in it.i was
I have 2008 kenworth with 450 cummins isx in it.i was driving down the interstate and got a.check engine light .I stopped and it said tube acuator. I got within a mile from my destination and stop eng… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I just bougt a cummins NTC-315 CPL 675 ESN-11369077 that has
i just bougt a cummins NTC-315 CPL 675 ESN-11369077 that has been turned to a 350. Pulled the heads off and found cracks in the pistons. What is the max hp this engine will handle with the correct par… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I was considering buying a Kenworth with a 11/98 565 HP Cummins
I was considering buying a Kenworth with a 11/98 565 HP Cummins ISX motor with 399,...k miles on it that was retro fitted with a CARB compliance filter on it, in late 2013. If the low miles are right … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a 2006 volvo vt880 with a cummins isx 565. Climbing
I have a 2006 volvo vt880 with a cummins isx 565. Climbing a grade I suddenly lost my turbo boost. After inspection I saw that I blew the gasket between the egr valve and exhaust manifold. Replaced ga… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,879 satisfied customers
i have a 2007 kenworth t800h with a 565 isx high exhaust temp
i have a 2007 kenworth t800h with a 565 isx high exhaust temp 1100 degrees 30 to 40 psi boost when under load but 5 psi when jaking down hill lot of black smoke turbo seems to hesitate then just takes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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i have a 2ws 3406e 515 cat engine with a pdi stage 1 up grade
i have a 2ws 3406e 515 cat engine with a pdi stage 1 up grade putting about 620 hp to wheels my turbo heats up quick i have to really let out of it and gear down in the hills and just ease on the thro… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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If I have my engine rebuilt, can they add more horsepower and
If I have my engine rebuilt, can they add more horsepower and torque. I have a cummins ISX 450hp opened up by cummins to 500hp?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
Hello there looking to buy a 09 International Pro Star Premiums
Hello there looking to buy a '09 International Pro Star Premiums Auto-shift with 450K on her how is the tranys in these trucks and what else should I look for… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2011 Kenworth T660 with Cummins ISX400 (with DEF and DPF),
2011 Kenworth T660 with Cummins ISX400 (with DEF and DPF), 9 speed Eaton. 227k miles on the engine. This engine randomly (intermittently) goes into high idle *without* the regen light, warn engine lig… read more
Joe
Joe
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Meet the Experts:

Daniel Wilson

Daniel Wilson

11,879 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

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worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

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ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

Technician turned service manager on multiple lines of trucks and engines, used in industry.

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 satisfied customers

24 years of experience diagnosing & repairing

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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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