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
One of my Cummins ISX 15 motors is regening too often in my
One of my Cummins ISX 15 motors is regening too often in my opinion. And at least once a day it pushes out nasty smoke for about 15 seconds while I'm driving. Could my catalytic or filter be bad or is… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2015 f650 cummins 6 7. Truck currently not throwing codes
2015 f650 cummins 6 7. Truck currently not throwing codes but when attempting forced regen the engine state will cycle from regeneration to air/fuel derate with the rpms picking up and then dropping r… read more
Joe
Joe
Service Technician
Associate Degree
861 satisfied customers
Putting out while smoke and regen light comes on every hour
Putting out while smoke and regen light comes on every hour for regen … read more
Roy Belding
Roy Belding
7,602 satisfied customers
It's an 06 07 ISX, Just now I was going down the highway
It's an 06 07 ISX, Just now I was going down the highway just fine and now its smoking black during acceleration and no power. My engine fan came on also, but normal temperature … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Have a 2013 Peterbilt with a ISX and a active code of
Have a 2013 Peterbilt with a ISX and a active code of Particular trap 1 pressure … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,467 satisfied customers
DR. Cummins, I have a ISX 79292815 that has the high exhaust
DR. Cummins, I have a ISX 79292815 that has the high exhaust temp light on when driving. I hooked up with insite. no codes and when I was driving I watched and its doing an active regen. my question i… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I'm driving a 2013 kw with an ISX15 cummings engine. It has
I'm driving a 2013 kw with an ISX15 cummings engine . It has been regening a lot more than usual and started blowing white smoke after being in traffic or idling for a few minutes. Had the filter clea… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Well, I am stuck, stuck! I have a ck. engine light, a fix
Well, I am stuck, stuck! I have a ck. engine light, a fix engine light (with a little wrench light), I have a red stop sign light, and on the dash it says: SCR-DEF exhaust service required. I can't dr… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
OK I have a 2011 KW T660 with a Cummins ISX and we have had
OK I have a 2011 KW T660 with a Cummins ISX and we have had the DPF system worked on( New EGR, EGR cooler, DPF filter etc) . Now we are losing coolant when we are driving but if we loosen the cap the … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Just had the DPF cleaned, changed some sensors due to a
just had the DPF cleaned, changed some sensors due to a fault number 3582, got back on the road and the check engine light came back with the same fault, I'm driving back home loaded and hoping for th… read more
Roy Belding
Roy Belding
7,602 satisfied customers
I have a 2009 international prostar with cummins isx
hello i have a 2009 international prostar with cummins isx engine. And it has an issue where the driver is saying that when he is driving the truck starts to be really slow with no power and the stop … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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
2012 T660 KW ISX Cummins 10 speed about 435000 miles,
2012 T660 KW ISX Cummins 10 speed about 435000 miles, question at what rpm can I let idle while sleeping and if it doesn't harm anything right now the normal idle is 700 rpm, now I heard some people s… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on it and the DPF filter was cleaned at 2700 hrs. A couple of weeks ago it threw a code 3251 (particulate trap 1 pressure). I had a mechanic for… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Constant problems with regeneration right now it regents for
Constant problems with regeneration right now it regents for 1hour off 1hour truck still has plenty of power 2010 peterbilt model 335 cummins motor… read more
Geoff
Geoff
BS
12 satisfied customers
Where would I go to get the wire diagram from Cummins or more
Where would I go to get the wire diagram from Cummins or more helpful do you have phone number for that particular department… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a 2013 Pete with a 500 ISX. I just had tha DPF filter cleaned out last week and th
I have a 2013 Pete with a 500 ISX. I just had tha DPF filter cleaned out last week and the next day it started regening about every 4 hours. Brought it to Cummins and they diagnosed that the turbo was… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Cummins 2007 isx 425st check engine light flashes 5 times then
Cummins 2007 isx 425st check engine light flashes 5 times then stays steady than goes off. Comes on every 5minutes or so but turns off. I noticed coolant loss in tank but no visable leak. Also no pres… read more
Geoff
Geoff
BS
12 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

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

< 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