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
Lose power on hills and showing this codes: spin 3215 fmi
Lose power on hills and showing this codes: spin 3215 fmi 16, 3936 fmi 15, 5397 fmi 31, 3720 fmi 15 … read more
Joel Bos
Joel Bos
909 satisfied customers
I have a question volvo 2012 vnl d13, Spn 3936 Fmi0 I know
Hello, I have a question volvo 2012 vnl d13 , Spn 3936 Fmi0I know it doesnt show correct soot, it goes in 1 hour to '3' and sometimes drops.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
TxId: 0 SPN: 81 FMI: 16 (High—moderate severity) Count: 1.
TxId: 0 SPN: 81 FMI: 16 (High—moderate severity) Count: 1 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 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
Mechanic
High School or GED
1,886 satisfied customers
SPN: 3720 – Aftertreatment 1 Diesel Particulate Filter Ash
SPN: 3720 – Aftertreatment 1 Diesel Particulate Filter Ash Load Percent FMI: 15 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
2013 kW t660 son:4364 fmi:18 ISX 15. KW 2013 t660 Cummings
2013 kW t660 son:4364 fmi:18 ISX 15 JA: What's the make/model/year of your truck? Engine type? Customer: kW 2013 t660 Cummings isx15 JA: Are you fixing your truck yourself? What have you tried so far?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I have two codes for my 09 peterbuilt with a cummins isx one
I have two codes for my 09 peterbuilt with a cummins isx one is a son 3251 fmi 0 the other is a spn 5298 fmi 18, I had the doc and dog cleaned tested and repaired, replaced the first temp sensor probe… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
Have cummins isx 15 with fault cods spn 3251 and spn 3720
have cummins isx 15 with fault cods spn 3251 and spn 3720 need to know how to fix … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have an active code of 3375 on ISX engine with in active
I have an active code of 3375 on ISX engine with in active codes 3383, 6263 which has nothing to do with it, 2639, 1921, 2754. I tried to region truck and the aftertreatment injector would not turn on… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Cummins isx. Yellow check eng light on. Scanner shows codes
Cummins isx. Yellow check eng light on. Scanner shows codes 2637-FMI 11 and 4214-FMI 1. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Fault code spn 81, exhaust trap inlet pressure. What is this
Fault code spn 81, exhaust trap inlet pressure. What is this and what is happening … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 2014 kenworth 900l with a 500 cummins. showing
i have a 2014 kenworth 900l with a 500 cummins. showing codes 5397,1569,4340,3720 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I'm getting a sid 324 fmi 2, sid 324 fmi 0, sid 328 fmi 2,
Hi, I'm getting a sid 324 fmi 2, sid 324 fmi 0, sid 328 fmi 2, sid 328 fmi 4..All are undefined..Can you help me out please? … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
I have a 2013 Cascadia with 5 diagnostic falt in dash. Spn
I have a 2013 Cascadia with 5 diagnostic falt in dash. Spn 102 fail 18 spn 5319 fail. 31 spn 5298 fail 17 spn 3556 fail 18 spn 3251 fail 0. Truck Vin 1fujglbg2dsbx2662 engine serial number 79561243 Cu… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
2009 freightliner cummins j1708 eng just had exh filter
2009 freightliner cummins j1708 eng just had exh filter cleaned but cant clear the 324 &380 to make the truck go more then 10mph any ideas? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
Have a 2009 business class m2 cummins with engine protect
have a 2009 business class m2 cummins with engine protect light on. getting a pid code 324… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
The other day in Chicago it was 18°.we were not running the
The other day in Chicago it was 18°.we were not running the truck for a while. We started it and the mill light shot this code 3251 spn… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
My truck has derated and shows code 5848 on the smart nav
My truck has derated and shows code 5848 on the smart nav. It says something about a cold weather sensor… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 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

6,062 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