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 2012 cxu mack with the mp8. I have code mid 128
I have a 2012 cxu mack with the mp8. I have code mid 128 psid 89 fmi 5. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
419 satisfied customers
My truck is shutting off while running I've had some egr
My truck is shutting off while running I've had some egr codes for a long time and havent done a regen in quite a while. I've washed and just put back the same filter for quite some time now. The late… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,569 satisfied customers
I have a 2009 Mack Granite gu713. It's asking for a regen
I have a 2009 Mack Granite gu713. It's asking for a regen but when I try to do it it stops 10 minutes later and asks to do it again. I've hooked my laptop on it to do a forced regen and same thing it … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
419 satisfied customers
I'm geting this code for injector #5 mecanical fault, and
i'm geting this code for injector #5 mecanical fault, and engine had a miss shaking the truck. volvo rpl the 5th injector 2 times the code and the simptoms are still there.worth to mention that after … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
419 satisfied customers
WON,T START FROM KEY SWITCH, DASH SAID TRANS. COMMUNICATION
WON,T START FROM KEY SWITCH, DASH SAID TRANS. COMMUNICATION FAIL GOT NEW TCM STILL THE SAME ENGINE CODES 2623 FMI 4 CODE 191 FMI 9 CODE 84 FMI 9 CODE 91 FMI 4 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,569 satisfied customers
2009 Mack cxu613 with 18 speed autoshift Truck will not go
2009 Mack cxu613 with 18 speed autoshift Truck will not go into any gear. Mid 128 pid 84 fmi 9 Mid 144 pid 84 fmi 2 Mid 144 pid 205 fmi 9 Transmission goes to operation failed so I can't get any codes… read more
Roy Belding
Roy Belding
7,532 satisfied customers
My 2000 Freightliner is throwing some codes. 2000 FL-70 and
it started losing power yesterday, and trying to figure it out myself … read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
204 satisfied customers
I hawe volvo d12 engine, my problem is mid 128 pid 84 fmi9
I hawe volvo d12 engine, my problem is cod mid 128 pid 84 fmi9 Mid 140 pid 84 fmi9 Mid 144 pid 84 fmi 5 truck want accelerate … read more
Doug Barnowski
Doug Barnowski
HD truck tech
14 satisfied customers
I have a 2000 Volvo n14cummins. Truck would run for 5 secs
I have a 2000 Volvo n14cummins. Truck would run for 5 secs and then it would shut off. I got some codes from the cluster. Mid 234 pid 110 fmi 9 mid 234 pid 175 fmi 9 mid 234 pid 100 fmi 9 mid 234 pid … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
My speedometer is not working, I have a 2008 VOLVO truck.
My speedometer is not working, I have a 2008 VOLVO truck. The faults are mid 128 pid 84 fmi 2 in engine diagnostics and mid 140 pid 84 fmi 9 in instrument cluster diagnostics.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,569 satisfied customers
I have a 1998 Volvo ved7c engine will the fuel pressure
I have a 1998 Volvo ved7c engine will the fuel pressure sensor cause the engine to derate the power if the computer cannot read the pressure I will pay u if you would call me and talk over the phone a… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 08 Volvo VN with egr cummins isx that idle fine but
I have a 08 Volvo VN with egr cummins isx that idle fine but the TCS light remain on and no throttle response. It give code 131, so I replace the accelerator assembly. Still no throttle response. It's… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Hope you can help me. I have had my truck in cummins and other
Hope you can help me. I have had my truck in cummins and other shops around here and no one can seem to fix my problem for over a year now. I have a 2008 Volvo with a cummins isx. The motor ESN-792295… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
My 2005 Columbia has "check engine" light on. One code on
My 2005 Columbia has "check engine" light on. One code on dash says ECU 12 8. Explain, please. It has DEtroit series 60 engine… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I got a 2007 volvo vnl670 with cummins isx and 13 speed manuel.
I got a 2007 volvo vnl670 with cummins isx and 13 speed manuel. It lost throttle. The pedal does not work at all. It says to chrck vehicle ecu and im getting codes Mid 128 sid 231 fmi 9 Mid 128 pid 84… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
I have an 500 isx cummins with a fault of value to low, mid
I have an 500 isx cummins with a fault of value to low, mid 128 sid 382 fm1 the engine sometime is missing power and sometime work like needing air, just like a man with breathing problems.… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
We have 7 volvo trucks. The one with the problem now has some
We have 7 volvo trucks. The one with the problem now has some codes in it now. I got the codes from the computer on the dash. They are as follows. This is a 2006 truck with a D12D engine and an automa… read more
Jim
Jim
Diesel tech.
212 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

11,569 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