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 F650 super duty ford truck I have 1921 code active
I have F650 super duty ford truck I have 1921 code active with code 3714. I just cleaned the DPF filter… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have isx 15 cummins and have three code popping up after
I have isx 15 cummins and have three code popping up after change the dpf pressure sensor 3251 fmi 0 spn 3251 fmi 4 and 3610 fmi 4 and the check lamp and stop engine light buzz … read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
Spn 3720 fmi 15..I had the doc dip cleaned back in March
Spn 3720 fmi 15..I had the doc dip cleaned back in March this year.Now the maintenance code is back.Is it better to replace the filter?… read more
Nich1019
Nich1019
Diesel Technician
Vocational, Technical or Trade School
64 satisfied customers
I have a 2010 International Prostar Cummins Engine and I
I have a 2010 International Prostar Cummins Engine and I have the fault 1921 do I have to replace dpf or can I just do the regen. I already did the regen once VIN: *****************… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I HAVE A 2015 PETE WITH A ISX CUMMINS I REPLACED THE DPF
I HAVE A 2015 PETE WITH A ISX CUMMINS I REPLACED THE DPF FILTER AND NOW IT WILL NOT GO THROUGH A REGEN BRINGING UP A CODE 1664 ENGINE # 79747865… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
2016 International 4300 with Cummins ISB CM 2350A Has
2016 International 4300 with Cummins ISB CM 2350A Has frequent regen, black smoke at 80 percent load.… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
I have a 2015 kenworth t880. Cummins isx. It's in derate. To
I have a 2015 kenworth t880. Cummins isx. It's in derate. To codes but both are related to the derate but wont clear out… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
Active Code 3751, after regen was performed, Freightliner,
I performed a force regen with my diagnostic computer, after it passed it Code 3751 became active … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I have a cummins isx throwing code 1921 got doc and dpf
hi i have a cummins isx throwing code 1921 got doc and dpf cleaned and cleaned dozer valve.temps are going over 500. did a dpf and doc reset. fault never went inactive. regened for 45 min and fault 19… read more
Expert
Expert
10,510 satisfied customers
It was check light, regen is still in progress, and on the
it was check light, regen is still in progress, and on the road relay it says "fault active, engine controller, suspect perameter # 5018, condition exists" the regen has been doing it for about 3 hour… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a cummins isx. Just had the dpf replaced. Still have
I have a cummins isx. Just had the dpf replaced. Still have fault code 2639 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
DR.Cummins I have a Pete 04/12 Vin 1XP-WP4EX-6-DD192170 ISX
DR.Cummins Good Morning! I have a Pete 04/12 Vin 1XP-WP4EX-6-DD192170 ISX 15 ESN(###) ###-####It came in last week in shutdown mode from Regen issues. We forced a Regen and cleared all codes. It left … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
My names and I'm having trouble with a 09 Freightliner
Hi my names Chris and I'm having trouble with a 09 Freightliner Cascadia, it won't perform a parked regen.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
Hello, im getting a sid 380 fmi 11 code. Chk engine light is
Hello, im getting a sid 380 fmi 11 code. Chk engine light is on and truck will only allow 75% load on engine at full throttle. The code from time to time goes inactive and truck runs normal,, should I… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
Hi Andy i have a freightliner cascadia 2010 isx engine i
Hi Andy i have a freightliner cascadia 2010 isx engine i have this inactive cods 0556 0555 1877 1973 2639 and my driver saying that when he open the ignition on, check engine light coming on, then he … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I am trying to find the reason Fault 2639 is still active.
I am trying to find the reason Fault 2639 is still active. History: Truck came in W/ DPF light on solid. The DPF was cleaned a month ago. I found 1925 active and aftertreatment injector carboned over.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have a 2010 peterbilt 387 with a cummins isx CM871. The engine
I have a 2010 peterbilt 387 with a cummins isx CM871. The engine cranks but wont run. It did run only twice while here ...(Low idle, rough with no throttle response).Checked all the fuses...all good. … read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
I have 2008 International prostar with cummins isx and its
I have 2008 International prostar with cummins isx and its showing a code 4283 and 1972. What do I need to do you fix this problem. No check engine light but regen triangle is on the dash.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 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

14,856 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

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

Curtis B.

Curtis B.

Technician

1,947 satisfied customers

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

cumminsdr

cumminsdr

Mechanic

1,886 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 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