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 2016 kenworth t270 with a paccar L6 engine and
I have a 2016 kenworth t270 with a paccar L6 engine and getting code 3497 already installed new level sensor in the DEF tank truck came in with full dereat mode hooked filters of had everything cleane… read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
2012 Freightliner M2 106 8.3l isc 149k miles check engine
2012 Freightliner M2 106 8.3l isc 149k miles check engine light on truck in a slightly reduced power mode which it has been in for a month apparently. Tech originally said it needed and ecm update and… read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
Im working on a Cummins the engine serial number is
Im working on a Cummins the engine serial number is ***** I have codes 3712 and 3714 Could I please get a diagnostic tree… read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
6.7 Cummins isb faults codes 3712 and 3714. I got it rest
6.7 Cummins isb faults codes 3712 and 3714 JA: Have you seen this error before with the same vehicle? Customer: Yes I got it rest once before just came back on JA: What's the make, model, and year of … read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
2015 freightliner m2 has a cummins 6.7 has a active 3714
2015 freightliner m2 has a cummins 6.7 has a active 3714 code and a inactive 3712 code orange light is blinking in def gauge fluid is full and ideas… read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
2013 freightliner M2 with Cummins isb. DEF light blinking
2013 freightliner M2 with Cummins isb. DEF light blinking but tank is full … read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
I have a 2012 Freightliner M2 106 and check engine light is
Hey Steve, I have a 2012 Freightliner M2 106 and check engine light is on & has been on for some time. Code's reading are Eng0, d1AG 5. We're experiencing power loss and has gotten worse. I know the b… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
2012 freightliner with 6.7 Cummins. Truck has just had turbo
2012 freightliner with 6.7 Cummins. Truck has just had turbo reinstalled and now the actuator is throwing codes. Picture of codes attached. Currently looking at turbo actuator harness connector at act… read more
Nich1019
Nich1019
Cummins/Caterpillar Technician
Vocational, Technical or Trade School
2,901 satisfied customers
I have a 2017 international with a cummins 6.7. Truck
I have a 2017 international with a cummins 6.7. Truck originally came in with codes related to short to def heaters. I found wire . Repaired. Then under regen code 4277 came up. I cleared it . Re ran … read more
Bradey V
Bradey V
Certificate
Fault code 3712 son 5246 can't clear. 2014 Freightliner m2
Fault code 3712 son 5246 can't clear JA: What's the make/model/year of your truck? Engine type? Customer: 2014 Freightliner m2 6.7 Cummins JA: Are you fixing your truck yourself? What have you tried s… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
Check engine lighty came on 2016 freightliner m2 cummins
check engine lighty came on 2016 freightliner m2 cummins engine shows code 641 9 641 12 641 13 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
We have a 2012 kenworth t3 series dtc 3651, 3714, 3429, 3712
We have a 2012 kenworth t3 series dtc 3651, 3714, 3429, 3712 Truck will not come out of derate If clear codes the only two codes that come back are 3714, and 3712 forced regen and tried to reset still… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
I have two Bluebird school buses with 6.7 cummins engines
I have two Bluebird school buses with 6.7 cummins engines that keep returning with codes 3582 and 3543. These buses are used for both routes and longer trips for player game buses. Have replaced badly… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
I have a 2012 Freightliner M2 that has issues with both
I have a 2012 Freightliner M2 that has issues with both inlet and outlet SCR temperature sensors. Where are they located? … read more
Expert
Expert
10,510 satisfied customers
Went to pick up a 2012 Bluebird with a 6.7 cummins and it
Went to pick up a 2012 Bluebird with a 6.7 cummins and it had codes 3582, 3543, 3714, and 3712 and red light on and would not move. Cleared codes to drive back. drove 55 minuets and 35 miles and now n… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
Working on a freightliner m2 came in with a loss of power
working on a freightliner m2 came in with a loss of power issue. we did regen of the system. that went well but the 3712 fmi along with the 3714 code keep coming back. our scanner cannot erase these c… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
591 satisfied customers
I have two active codes stored causing defrayed. 3712 and
I have two active codes stored causing defrayed. 3712 and 3714. Cummins isl9 … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,886 satisfied customers
3712 3714 3582 3543, isb 6.7 2014 mt45, I scan, drain
I scan, drain def,refilled and regen clear codes ok for 3 days then came back … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
748 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