Medium and Heavy Trucks

Have truck repair questions? Ask an Expert

Ask an Expert,
Get an Answer ASAP!

Related Medium and Heavy Trucks Questions
Soot level to high cascadia 2009. Dd15 freigthliner columbia
dd15 freigthliner columbia filter clean all sensor new hic module new, injector doser new … read more
Roy
Roy
shop foreman
Associate Degree
4,488 satisfied customers
09 Freightliner won't stop regen, Vin#1FVACYDJX9HAF2458
That would be all. Just the performance of the After Treatment system (no working)… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I got a 2010 prostar with mf13 and my dpf dash light is not
Hi i got a 2010 prostar with mf13 and my dpf dash light is not going away, was solid now blinking, i did parked regen but still there, my last 8 from vin AN178117, what could be the problem? Tks … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Ive got two code on ism 425, they are 4282, 2639, we just
hello, ive got two code on ism 425, they are 4282, 2639, we just change the dpf last week it was craked, can the doc have any problem or code 4282 relate to injector doser? … read more
Roy
Roy
shop foreman
Associate Degree
4,488 satisfied customers
How often should a tractor perfor regen? And is there a
How often should a tractor perfor regen? And is there a problem if I never hear it perform regen?… read more
Roy
Roy
shop foreman
Associate Degree
4,488 satisfied customers
I have a Cummins isb in a Ford 650. I am having trouble with
I have a Cummins isb in a Ford 650. I am having trouble with code 2639 returning after I have completed 4 parked regens. I have replaced the dpf psi sensor. I have replaced doc temp sensor. I have rep… read more
Roy
Roy
shop foreman
Associate Degree
4,488 satisfied customers
I own a 2012 prostar wih a maxxforce 13. Also have regen
hi, I own a 2012 prostar wih a maxxforce 13. Also have regen question. Recently found and repaired an exhaust leak at the manifold and a cracked turbo housing. Regens were not completing and were dail… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
490 satisfied customers
I have a 2012 IH Prostar with a Maxxforce that has the stop
I have a 2012 IH Prostar with a Maxxforce that has the stop engine light on but no dpf regen light on. Code is that soot level is at most severe level. Truck won't run regen according to servicemaxx t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
i have a 2010 mack MP8 that wont complete it s regen
Hello i have a 2010 mack MP8 that wont complete it s regen starts then stops screen says that DPF needs service but was cleaned 4 months ago is cleaning intervals normally this close? an error also co… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have a MP8 not completing a regen, doser on 540 degreesdpf
I have a MP8 not completing a regen, doser on 540 degrees dpf inlet 750 degrees dpf outlet 750 degrees When it reaches these temp the doser shuts off new doser, new dpf, cleaned doc, new ambient air t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
i have a 2013 international with a dt engine. showing that
i have a 2013 international with a dt engine. showing that regen is required (highest level 3/3). the soot load shows 218% but the dpf differential pressure shows to only be .01psi. from my understand… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,014 satisfied customers
Thanks Andy explanation of the DOC and DPF system on
Thanks Andy for the explanation of the DOC and DPF system on the Maxxforce engine. You gave the best description I've heard. They were telling me that the DOC was bad because you could see a flashligh… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Andy. I'm Andy also.We have a 2012 ProStar with the Mxxforce
Hi Andy. I'm Andy also. We have a 2012 ProStar with the Mxxforce engine. After you bake the DPF filter should you be able to see light through the filter if you shine a flashlight at the other end?… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Andy, wife, me, and dogs stuck at a truck stop N of Mexico
Andy, wife, me, and dogs stuck at a truck stop N of Mexico City, Mexico. We have a motorhome on a Workhorse W22 with a Maxxforce 7. Yesterday started whining upon exceleration and got louder and worse… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a 2009 ISX that is having regen issues. Keeps throwing
I have a 2009 ISX that is having regen issues. Keeps throwing "doc face plugged reason unknown" and "doc efficiency out of calibration" It has been doing this for a while and I feel like we have chang… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Customer has a 2009 Volvo truck with the D13 engine. Regen
Customer has a 2009 Volvo truck with the D13 engine. Regen icon came on steady on the dash so customer started a parked regen and went out to the field to get another load of corn. When customer retur… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Hello, I have an ISX 400ST in a 08 Peterbilt 388. Im having
Hello, I have an ISX 400ST in a 08 Peterbilt 388. I'm having issues with the doser injector. It is not spraying , it is pouring out fuel. I already replaced it and the new one is doing the same exact … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,351 satisfied customers
2012 Int 4300 w/ maxforce dt. I have a problem w/ engine perf.
2012 Int 4300 w/ maxforce dt. I have a problem w/ engine perf. no power. Keeps wanting parked regen. Has codes 3719 and 3556 in it. I'm concerned w/ what code 3556 is all about.… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 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

3,014 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 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