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
ON A 2015 VOLVO VNM SERIES .VIN NUMBER *****************.
GOOD EVENING IM WORKING ON A 2015 VOLVO VNM SERIES .VIN NUMBER *****************. CODES P10FF86,SPN 3360 FMI 9 AND U02A200. IS THERE ANY ADVICE ON DIAGNOSING THESE CODES OR TROUBLE TREE STEPS TO TAKE.… read more
Edgar.T
Edgar.T
Forman
Associate
36 satisfied customers
I have a 2017 Mack MRU 613 with an MP7 engine (concrete pump
I have a 2017 Mack MRU 613 with an MP7 engine (concrete pump truck). The engine intermittently is cutting off. Some days as often as 10-20 times. Other days (like today), it did not cut off once. Comp… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
My truck just brake down now and I need assistance from
My truck just brake down now and I need assistance from technician please … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
We have a 2008 Mack 618 CHU with MP8, truck dies in 9th and
We have a 2008 Mack 618 CHU with MP8, truck dies in 9th and 10th gear on road. Have replaced all the fuel lines and fuel pump and fuel filters and housing. Any ideas?… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
Having communication issues. 2014. 670. I'm a mechanic.
Having communication issues JA: What is the model/year of your Volvo? Customer: 2014. 670 JA: Are you fixing your vehicle yourself? What have you tried so far? Customer: I'm a mechanic JA: Anything el… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
I have a 2015 Mack chu613 with MP8 motor, at times engine
I have a 2015 Mack chu613 with MP8 motor, at times engine will crank but not turnover. I was driving down the road and lost power, my RPM no higher than 1200 and dropped from there, engine shutdown, w… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
Need to regen my Volvo truck it won't let me because of
Need to regen my Volvo truck it won't let me because of temporary lock out what is wrong … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
2015 mack gu713 with code p26e8 and def fuild reading e and
2015 mack gu713 with code p26e8 and def fuild reading e and it is full getting message for derate in 30 miles… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
The def gauge says truck has no def, and the check engine
The def gauge says truck has no def, and the check engine light is on truck says shut down immediately, and the def tank is full … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
Def guage is stuck on empty but its full of def.pump
def guage is stuck on empty but its full of def.pump ,harness ,hedder unit replaced.cannot figuere out problem … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,429 satisfied customers
I. Have a Mack truck here and it died going down the road.
I. Have a Mack truck here and it died going down the road. There is no data coming out of the data port per nexiq test it has power and ground I checked at the ecm. And. It has all switched power no c… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
I have a 2010 mack mp8. I changed egr temp sensor, 7th
I have a 2010 mack mp8. I changed egr temp sensor, 7th injector and discharge recirculation valve solenoid. Now I'm getting a an engine shut warning about every 70 miles or so. I can pull over it shut… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9. 2010
2010 mack chu 613 PSID 46 FMI 0 and PPID 270 FMI 9 … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
Level sensor on DEF showing empty truck is in derate. I'm a
Level sensor on DEF showing empty truck is in derate … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
530 satisfied customers
Ist hivin me thise Nox monitoring failure. 2012 mack cxu.
Ist hivin me thise Nox monitoring failure JA: What's the make/model/year of your truck? Engine type? Customer: 2012 mack cxu. Mp8 JA: Are you fixing your truck yourself? What have you tried so far? Cu… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
214 satisfied customers
Mack mp8 2012 in derate no codes no check engine light no
mack mp8 2012 in derate no codes no check engine light no lightening bolt, service def on information screen won't let us take out of derate… read more
Roy Belding
Roy Belding
7,807 satisfied customers
It's cranking and won't start. 2013 386 peterbilt. Check
check fuel, the def gauge is down and the def light flashing and the abs indicator is on… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
2010 Mack CHU with MP8. A/C runs at 60-70lbs even with low
2010 Mack CHU with MP8. A/C runs at 60-70lbs even with low freon. The A/C head pressure will go up to 150lbs, but as soon as the truck purges air from the air dryer, I lose all head pressure. It makes… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
13,429 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

13,429 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,806 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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