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 2012 Freightliner Cascadia DD15 with codes spn 171
I have 2012 Freightliner Cascadia DD15 with codes spn 171 fmi 13 Spn 4334 fmi 7 Spn 108 fmi 13 Spn 255 fmi 7 Spn 4264 fmi 1 and 18I've already checked the air inlet valve for the def pump and replaced… read more
Roy Belding
Roy Belding
7,519 satisfied customers
I have a cummins isx engine in a kenworth t660 displaying
I have a cummins isx engine in a kenworth t660 displaying codes sa:0, spn:157, fmi:15 fuel rail pressure. Is the engine in serious trouble? The warning light is amber. And last thursday the engine ble… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
16 IHC Prostar ***************** Faults in order SPN 524285
39;16 IHC Prostar ***************** Faults in order SPN 524285 fmi 14 (component #150) Active SPN 4334 fmi 2 Active SPN 2588 fmi 15 Inactive… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Spn520919 code. Dd15 2012 cascaida. Engine light on I think
Engine light on I think my dep filters need cleaning … read more
Roy Belding
Roy Belding
7,519 satisfied customers
2007 cummins isx 565 code spn 94 fmi 18 just replaced all
2007 cummins isx 565 code spn 94 fmi 18 just replaced all fuel lines shut off solenoid lift pump pressure sending unit still won't start problem started eng shut off abruptly no start also replaced fi… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,085 satisfied customers
I have a def problem. started with shutting down the def
i have a def problem. started with shutting down the def system due to a heater code..replaced the sending unit, doser nozzle and pump module. tanks are full but still reads empty and sets derate code… read more
Roy Belding
Roy Belding
7,519 satisfied customers
Isx 2015 code 3936 and 3251. Kenworth t660 2015 isx15. No
No the shop did oil change just 2 days ago and I bought this truck just a month ago … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
2015 cummin isx 485 hp codes fmi 18, fmi 3? 2015 kenworth
2015 cummin isx 485 hp codes fmi 18, fmi 3? JA: What's the make/model/year of your truck? Engine type? Customer: 2015 kenworth t660 cummins isx 15 485horsepower JA: Are you fixing your truck yourself?… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Thank you. I have a 2013 Freigjtliner cascadia, with a 2016
I have a 2013 Freigjtliner cascadia, with a 2016 cummins isx 450hp. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have cummins isx 550 and code is active spn 1569, 2016
Hello I have cummins isx 550 and code is active spn 1569 … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have 2 codes on a ISX Cummings spn 5024 fmi 10 and 3216
I have 2 codes on a ISX Cummings spn 5024 fmi 10 and 3216 fmi 10 … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2015 Kenworth with a Cummins engine. It came in
I have a 2015 Kenworth with a Cummins engine. It came in with SPN 4094 FMI 31 code showing. I found the flex pipe broken in half under the cab. replaced it with new one and now have SPN 5246 FMI 0 and… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2012 Kenworth T600 with Cummins isx. Yesterday
I have a 2012 Kenworth T600 with Cummins isx. Yesterday morning, it started getting the code SPN 1347 FMI 3. The code went away last night and hasn't come back. I looked it up on Cummins insite so I k… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a 2011 isx Cummins motor with def and regen been
I have a 2011 isx Cummins motor with def and regen been having a reacuring engine light for active codes of 1141 1144 1145 1143 1142 1139 on cylinders 12456 not on 3 what might be the problem. I've ha… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
We spoke earlier regarding my truck with a 411 fault code
we spoke earlier regarding my truck with a 411 fault code when check engine light came on. the code said EGR delta pressure fault but when i looked up the code 411 that isn't what it is saying it is i… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I have a Kenworth T660 with an ISX and just got the 411
Hi I have a Kenworth T660 with an ISX and just got the 411 fault code which says EGR Delta pressure. what does that mean? When coming down mountain with jake break on -thats when check engine light ca… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
, mi name is ***** ***** have international prostar 2008 with cummins isx engine and i hav
Hi, mi name is ***** ***** have international prostar 2008 with cummins isx engine and i have 3 codes Can you pls tell me what they are for and what they mean Spn 3556 fmi 31 sa0 Spn 3556 fmi 5 sa 0 S… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2013 frieghtliner cascadia cummins isx engine. I have
I have a 2013 frieghtliner cascadia cummins isx engine. I have 5 fault codes, some are the same. Fault 1: chs 71 SPn 520919 fail 05 Fault 2: cab 33 SPn 522116 fail 02 Fault 3: ecu 0 SPn 3362 fail 31 F… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 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