Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Connect one-on-one with {0} who will answer your question

Related Medium and Heavy Trucks Questions
I have a cm870 when pulling out loaded and on a hard pull it
I have a cm870 when pulling out loaded and on a hard pull it will lose power like turning the key off and back on and occasionally show code for low fuel psi and will sometimes even quit. May go days … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
Im doing an inframe on a cummins isx with dual cam. I need
Im doing an inframe on a cummins isx with dual cam. I need the torque specs and overhead specs please.… read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
99 cummins celect plus engine. smoking bad after inframe.
hello 99 cummins celect plus engine. smoking bad after inframe … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Cummins 5.9 running rough with smoke. replaced injectors,
cummins 5.9 running rough with white smoke. replaced injectors, new EGR valve(had EGR valve stuck code. Still running rough … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Isx cummins intermittent misfire. Isx 600 79283458. Ran
ran insite showed #6 injector pass fail injector replaced… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Dr cummins I have a Cummins ISX 7932036. I need to know what
Dr cummins I have a Cummins ISX(###) ###-#### I need to know what liner protrusion should be. Also need to know how to perform a snap acceleration test for ISX ESN-79292515… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
We have a 2005 international 4900 series with a Cummins ISX
We have a 2005 international 4900 series with a Cummins ISX engine. The engine smokes extreme and there is pressure in the return fuel system. Injectors 4, 5, and 6 are clearly showing signs of damage… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I did a overhaul for cummins isx 2006 Esn- 79125882 Used
Hello sir I did a overhaul for cummins isx 2006 Esn- 79125882 Used back the old injectors and turbo Problem was excessive blowby After rebuild the truck is giving excessive black smoke on snap acceler… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
When running after a couple hundred miles my isx started
When running after a couple hundred miles my isx started throwing get white smoke thru the exhaust as of its regenerating but it doesn't stop unless I stop and force gen, and recently I got the egr de… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Working on isx cummins blowing a lot of smoke replaced EGR
Working on isx cummins blowing a lot of white smoke replaced EGR cooler was leaking water and smoke continues 2009 ISX… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
DPF problems. Truck is in the shop and they want to charge
DPF problems. Truck is in the shop and they want to charge me $10,000+. Engine running rough with white smoke billowing. My haunch is it's a delta P sensor, Doser injector, and IMAP sensor. Engine is … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
Good morning. I have a Cummins ISX CM870 that we're having a
Good morning. I have a Cummins ISX CM870 that we're having a little trouble diagnosing here at the shop. The ESN is 79008558. When very cold outside it'll stumble and run very rough with significant w… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Yes sir. I have a Cummins isx 435 in a 2006 9900 international.
Yes sir. I have a Cummins isx 435 in a 2006 9900 international. It just started a new thing. When I turn the key off its like it roughly still wants to run before it dies. Then when you start it it id… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
Dr. Cummins, Have you ever seen a cummins ISX put diesel fuel
Dr. Cummins, Have you ever seen a cummins ISX put diesel fuel into the oil. I've checked all injector orings ans they seemed to be good.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
today I am working on a Cummins ISX s.n. 79188752, CPL 8518.
today I am working on a Cummins ISX s.n. 79188752, CPL 8518. It runs rough, but as it warms up, it runs better. It has 253 psi fuel pressure, it passed the cylinder performance test. Any suggestions w… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
2007 ISX 475/1650, 1,370,000 kms, CM870, over fuels to the
2007 ISX 475/1650, 1,370,000 kms, CM870, over fuels to the point where raw fuel is dripping out exhaust, lots of white smoke. Misses and backfires when applying throttle, runs rough on start up, smoot… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,296 satisfied customers
I have a 2000 pete with an isx cummins when i bought the truck
I have a 2000 pete with an isx cummins when i bought the truck they had paper work showing it had number 6 cylinder a 2 injectors replaced a few months pryor.My first trip out i idled overnight and ha… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
On a Cummins ISX what are the possible causes for the rear
On a Cummins ISX what are the possible causes for the rear bank to be dead (4,5,6) after an in-frame overhaul. I've swapped actuators and seen no difference.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
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.

JustAnswer in the News:

Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.

What Customers are Saying:

Wonderful service, prompt, efficient, and accurate. Couldn't have asked for more. I cannot thank you enough for your help.

Mary C.Freshfield, Liverpool, UK

This expert is wonderful. They truly know what they are talking about, and they actually care about you. They really helped put my nerves at ease. Thank you so much!!!!

AlexLos Angeles, CA

Thank you for all your help. It is nice to know that this service is here for people like myself, who need answers fast and are not sure who to consult.

GPHesperia, CA

I couldn't be more satisfied! This is the site I will always come to when I need a second opinion.

JustinKernersville, NC

Just let me say that this encounter has been entirely professional and most helpful. I liked that I could ask additional questions and get answered in a very short turn around.

EstherWoodstock, NY

Thank you so much for taking your time and knowledge to support my concerns. Not only did you answer my questions, you even took it a step further with replying with more pertinent information I needed to know.

RobinElkton, Maryland

He answered my question promptly and gave me accurate, detailed information. If all of your experts are half as good, you have a great thing going here.

DianeDallas, TX

< Previous | Next >

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

4,296 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

< Previous | Next >

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.

Show MoreShow Less

Ask Your Question

x