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 dd15 engine i was initially getting fault codes for
I have a dd15 engine i was initially getting fault codes for all injectors spn656 fmi 3 and the different spn # for other 5 also . So i replaced injector harness / main harness and a new ecm from frie… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I saw from your other posts that you are very experienced
Hello sir,I saw from your other posts that you are very experienced with DD15 so I want to ask you some question about my truck. I have a Cascadia 2011 EPA10 DD15 with multiple codesCodes appeared in … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have diagnostic code spn 523330 fmi 4 and 1548 fmi 5. 2015
I have diagnostic code spn 523330 fmi 4 and 1548 fmi 5 … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
Diagnostic code spn 523318 fmi 7 for my 2014 cascadia. 2014
diagnostic code spn 523318 fmi 7 for my 2014 cascadia … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have red stop engine, these are the codes it's reading.
I have red stop engine, these are the codes it's reading … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have a 2014 cascadia Freightliner DD15 and the check
Hello I have a 2014 cascadia Freightliner DD15 and the check engine lights came on … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
EEC 61. 4355 Fail 5. Both check engine lights are on. 2015
EEC 61. 4355 Fail 5. Both check engine lights are on. … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have 2 codes 2014 frieghtliner cascadia sec 061 spn003364
I have 2 codes 2014 frieghtliner cascadia sec 061 spn003364 and 5246 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I am getting a diagnostic code spn 520323 fmi 3. My driver
my driver brought it in to the dealership before but the code had gone off. Everytime we attempt to take it to the shop the code goes off before we get there. They say it can take much longer if the code is not on at that time. 2014 Freightliner cascadia … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Spn629 fmi5 code. 2012 Freightliner Cascadia with dd13. We
Yes we are a shop..haven't tried anything yet.. just rcieved code with no explanation..says Fault: Internal ELECTRONIC w/o codes … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
My truck engine lights came on, orange and orange check and
My truck engine lights came on, orange and orange check and red stop all came on plus def orange blinking light. I tried to regen and doesn't work. … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have a 2014 freightliner cascadia with a dd15 and have a
I have a 2014 freightliner cascadia with a dd15 and have a code 545 68 spn 605 fail 5. I can most likely fix it myself if I know what the code is. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have a 2014 Freightliner Cascadia. It is showing code
I have a 2014 Freightliner Cascadia. It is showing code SPN-656 and SPN-655 … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a check engine and solid yellow engine light on a
I have a check engine and solid yellow engine light on a 2013 Freightliner cascadia. Dd13.. sensor is EEC 61. Fault 1. Fail 5. SPN 4354... I did look at the line heater #1 and it was a tear in the blu… read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have 2012 cascadia engine light and check engine came
I have 2012 cascadia engine light and check engine came on....check light is now out shows engine1 sfu49 … read more
Roy
Roy
shop foreman
Associate Degree
5,278 satisfied customers
I have a 2012 Cascadia I got a CAB 33 code with 521921 spn.
I have a 2012 Cascadia I got a CAB 33 code with 521921 spn. Just wanting to know what that codes for… read more
Justin Hebert
Justin Hebert
Technician
32 satisfied customers
have 2008 freightliner cascadia with late generation detroit
have 2008 freightliner cascadia with late generation detroit series 60. Surges 200 rpm at a time and acts like it has a miss. Has the following codes: 3246 FDMI 16 and SPN 3246 FMI 0, "DPF outlet temp… read more
Expert
Expert
Have a 2010 Freightliner Cascadia. Engine is a DD 15, Engine
Have a 2010 Freightliner Cascadia. Engine is a later generation detroit series 60, Engine is derating and check engine light coming on. Getting the following codes from diagnostic computer: SPN 3509 F… read more
Expert
Expert
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

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

4,336 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 satisfied customers

Road Service mechanic for Volvo Construction.

< 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