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
With a code eec61 3361 fail 7 and eec61 5246 fail 15, def
With a code eec61 3361 fail 7 and eec61 5246 fail 15 , def lite flashing , the truck will not let me do parked regen WHY !! … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
We have dd15 with a code 5426 fmi 15 and I ran a regen and
We have dd15 with a code 5426 fmi 15 and I ran a regen and it wont go away, what do I need to do … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2 Yellow check engine light on DEF light blinking with 4
2 Yellow check engine light on DEF light blinking with 4 green squares on 2012 freightliner cascadia dd15. Fault codes SPN-4364 18, SPN-3251 2, SPN-3364 2, SPN-522108 5, SPN-522117 5. I'm doing a rege… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
DD13 engine want run over 55mph. 2015 cascadia. Cleaned
Cleaned definitely filters and changed dozer valve changed nox sensor's … read more
Roy Belding
Roy Belding
7,602 satisfied customers
Not getting DPF fluid to metering block getting a code
Not getting DPF fluid to metering block getting a code SPN3364 FM I 17 … read more
Roy Belding
Roy Belding
7,602 satisfied customers
2015 cascadia dd15 spn4364 fmi 18 Knox low conversion why is
2015 cascadia dd15 spn4364 fmi 18 Knox low conversion why is this happening installed two new nox sensors and def awning… read more
Bradey V
Bradey V
Certificate
2020 cascadia DEF is full not going down. Had a new pump
2020 cascadia DEF is full not going down. Had a new pump installed last year in January. Could be a bad pump??? … read more
Roy Belding
Roy Belding
7,602 satisfied customers
Klk. 2014 freight liner Cascadia. I'm fixing myself. I'm
Klk JA: What's the make/model/year of your truck? Engine type? Customer: 2014 freight liner Cascadia JA: Are you fixing your truck yourself? What have you tried so far? Customer: I'm fixing myself JA:… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2015 freightliner with a detroit dd13 engine. The
I have a 2015 freightliner with a detroit dd13 engine. The only code I have is a spn 5246 fmi 15. Regulatory fault ignored. Derate on. It's the only code I have. The yellow circle is blinking in the d… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Spn 5246 fmi 15. 2014 freightliner cascadia dd15. The dpf
Yes the dpf clamps were left loose which melted the def dosing unit, both nox sensors def supply and return lines, replaced everything plus harness codes are permanent truck still in derate … read more
Roy Belding
Roy Belding
7,602 satisfied customers
Ihave2013 cascadia with dd13 moter I having code 5246 fail
Ihave2013 cascadia with dd13 moter I having code 5246 fail 15 and yellow light flashing on the def indicator … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
I got a 2015 coronado with a dd15 and it's got this
I got a 2015 coronado with a dd15 and it's got this aftertreatmen scr code and it's showing 25 percent detate … read more
Roy Belding
Roy Belding
7,602 satisfied customers
I have a 2012 freightliner Cascadia that the code spn005246
i have a 2012 freightliner Cascadia that the code spn005246 15 came on about 30 min into my drive time. the yellow light was flashing by the def gauge plus check engine light. What does this mean? … read more
Roy Belding
Roy Belding
7,602 satisfied customers
2011 DDC13 DERATE TO 5 MPH. CODES 5246 FMI 15/16 BUT HAVE A
2011 DDC13 DERATE TO 5 MPH. CODES 5246 FMI 15/16 BUT HAVE A CODE 641 FMI 5 TURBO ACTUTOR PROBLEM BUT THERE NO VGT ON THIS IT USED A OLD STYLE ACTUOR AND TEST IT OK. THINKING TURBO PROBLEM WHY IT WONT … read more
Roy Belding
Roy Belding
7,602 satisfied customers
I HAVE A CODE OF SPN 5246 FMI 15. FRIGHTLINER 2011 WITH
DRATE TO 5 MILE PER HR DEF GAUGE HAS YELLOW LIGHT FLASHING… read more
Roy Belding
Roy Belding
7,602 satisfied customers
I HAVE A 2015 Freightliner cascadia DD15 with a headache
I HAVE A 2015 Freightliner cascadia DD15 with a headache code 5246 FMI 15 … read more
Roy Belding
Roy Belding
7,602 satisfied customers
I have a 2013 DD13 ... I'm having Debate on issues I've sent
Hi! I have a 2013 DD13 ... I'm having Debate on issues I've sent my DOC & DPF off to get Baked .. I've replaced the Nox sensors .. I've entered both filter serial numbers in the DPF Ash Accumulator an… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have this dd13 in cascadia at my shop with code scr
i have this dd13 in cascadia at my shop with code scr efficiency very low i gor dddl 8.03 put it on a regen def pressure - good def air pressure - good all temps - ok def dosing - ok inlet nox 450-500… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 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