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Spn 1127 fmi 18 & 14. Checked for leaks turbo is good. still
spn 1127 fmi 18 & 14. Checked for leaks turbo is good. still whistles going down the road. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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2014 volvo vnl 670 400hp isx15 cummins engine looses speed
2014 volvo vnl 670 400hp isx15 cummins engine looses speed on hills no matter how much weight your pulling example i had 4500 pounds in va going south on 77 at 75mph hit the hill speed dropped to 64 i… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,094 satisfied customers
I have a customer with a 2014 Volvo VNL 730. It has a
I have a customer with a 2014 Volvo VNL 730. It has a Cummings ISX15. He said that intermittent he hears a high pith whistle noise mostly under a load and in the mountains. When it dose this he has a … read more
Daniel Wilson
Daniel Wilson
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I have a 2013 Freightliner xcm motorhome with the 8.1 L ISC.
I have a 2013 Freightliner xcm motorhome with the 8.1 L ISC . It has a high pitch whistle at times when off idle. But once the whistle starts it stays even when back at idle. Then sometimes it goes aw… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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Has no power going uphills. When ever i have a load. 2006
nothing ive just been searching to see what the issue forbi could buy the part and take it to a mecanic to replace what ever its wrong … read more
james Roberts
james Roberts
Maintenance assistant
Vocational, Technical or Trade School
3 satisfied customers
Losing power going up empty or loaded, while foot down on
Losing power going up hill empty or loaded, while foot down on pedal the rpm goes up but I lose acceleration and power, recently forced regen DPF after replacing doser injector located behind turbo … read more
cumminsdr
cumminsdr
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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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High School or GED
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Volvo VNL with D13 2011 We replaced the turbo & actuator.
Volvo VNL with D13 2011 We replaced the turbo & actuator. The sensor that sits on top of the turbo had it's harness burnt through. The turbo also blew and oil all over inside.Now we can't get boost. T… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
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Cummins 450 throwing a fault code of boost pressure. Keep
Cummins 450 throwing a fault code of boost pressure … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have a eaton fuller 10 speed in my volvo vnl 2007,I
I have a eaton fuller 10 speed in my volvo vnl 2007,I changed the trans fluid about 8 months ago with Amsoil 50 wt trans fluid,I check it and its milky colored? can this happen if its overfilled? caus… read more
Mike Mcmillan
Mike Mcmillan
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I have an ISC 8.3 in a Tiffin 08 Phaeton motor home. Check
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Mike Mcmillan
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I have a volvo with a cummins ISX 565. It is a VNL 780. I
I have a few issues, the tractor has been leaving the fan on sleightly, and I replaced the solenoid. It works temporarily, then fails eventually. Secondly my turbo seems to intermittently work, and other times loses boost pressure significantly. I am having major trouble wit this… read more
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truck /coach technician
Vocational, Technical or Trade School
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2007 ISX CM871 high exhaust temp and black smoke when foot
2007 ISX CM871 high exhaust temp and black smoke when foot in throttle. Truck seems to be down on power some. May not be but I don't think it has the power it should. Can I get some trouble shooting h… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
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I'm driving and can't type. LOL I just looking for my
I'm driving and can't type. LOL I just looking for my issues … read more
Curtis B.
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Associate Degree
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Are you familiar with cummins ism? Im having a problem with
Im having a problem with my truck so what do i do? I dont know how this works … read more
Alex Olsen
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auto/diesel/industrial
524 satisfied customers
Having issue with turbo boost on 2007 ISX. (serial # *****)
Having issue with turbo boost on 2007 ISX. (serial # *****) Boost will range from 16-32 psi. Kinda stuck at 16-18psi max right now. Next hill might jump to 22-25. Any idea?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
ive got a sterling truck with a cummins 5.9 that has low power
ive got a sterling truck with a cummins 5.9 that has low power and blue smoke. turbo seals dont seem to be leaking and no excessive play. I used shop air to function the wstegate but i dont know what … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
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I have a 2005 Volvo with cummins had 450. Recently I hear loud
I have a 2005 Volvo with cummins had 450. Recently I hear loud noise (seems from the turbo) when turbo boost is up. I have replaced my turbo over 3 y ago or 340k mi ago. Noise is there only past 10 ps… read more
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Cat Man
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Meet the Experts:

Daniel Wilson

Daniel Wilson

4,737 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

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 satisfied customers

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

1,700 satisfied customers

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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