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
New 450 10 cylinder pickup hesitates when accelerating from
New 450 10 cylinder pickup hesitates when accelerating from stop. … read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
60,534 satisfied customers
Some electrical problems. 2001 f450 v10. New battery and
runs fine for a week then battery drains looses power wont recharge… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
60,534 satisfied customers
2001 ford 550 7.3 l diesel ,4R 100 transmission tow truck
2001 ford 550 7.3 l diesel ,4R 100 transmission tow truck was working fine. After sitting about 2 months ( battery disconnected). pto clutch not working . Idle doesn't go up … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a 2013 Cascadia. The volt meter sometimes fluctuates
I have a 2013 Cascadia. The volt meter sometimes fluctuates erratically. I have 3 brand new batteries. I took it to the shop and they kept meters on the batteries and the alternator. They stayed stead… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
185 satisfied customers
Im having my truck shut off and on off on off.... when I'm
Im having my truck shut off and on off on off.... when I'm driving and it recover .... Ithe does it when I'm parked too. I took to a mechanic he said … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Getting trouble code 442 and the tps will not stay
getting trouble code 442 and the tps will not stay calibrated … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I think lvd is "locked up", I have absolutely no electrical
I think lvd is "locked up", I have absolutely no electrical power (dash, ignition, lights, etc.) … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
2010 Freightliner Cascadia with a Detroit DD13 in it.
2010 Freightliner Cascadia with a Detroit DD13 in it. Getting code for SA 25 SPN 876 FMI 1 Compressor Clutch Circuit Passenger-Operator Climate Control #1 Data Valid But Below Normal OperationalAC is … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a 2007 ford lcf that won't start I replaced both
I have a 2007 ford lcf that won't start I replaced both batteries … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
2w Ford E450, I have a 2012 Ford E450. Yesterday I
I have a 2012 Ford E450. Yesterday I disconnected the negative side of the battery to reolace a fuse. When I reconnected the battery cable, tried to start the vehicle it would not start. I got the flashing anti theft light flashing. Since my key does not have a chip how can I cut the anti theft light off and start the engine? I have gone to two Ford dealers and they could not answer the question. Called Ford customer service and the guy I spoke with, I amd not sure he knew what a Ford was. Any help? … read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,486 satisfied customers
Yesterday, Thermo APU would shut off, no code but the "fan"
Yesterday, Thermo King APU would shut off, no code but the "fan" light would go out. Today, shut the APU off on by the swich, flipped it back on, now nothing will turn on.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I got my dpf filter cleaned yesterday. Today I drove about
Hello I got my dpf filter cleaned yesterday. Today I drove about 200 miles and the dummy light came on giving fault code spn 5319 fail 31. Kept driving and the check engine light came on with the dpf … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a thermos tripak apu the apu ran but wasn't charging.
I have a thermos king tripak apu the apu ran but wasn't charging. we determined the alternator was bad. put a new alternator from thermal king on today and it runs a few minutes and dies with alt code… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
The amp gage goes to 15 amp and engine wont rev up, 97 4700
the amp gage goes to 15 amp and engine wont rev up … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
2011 ISUZU NRR WITH 5.2 L DIESEL WAS RUNNING FINE AND THEN
2011 ISUZU NRR WITH 5.2 L DIESEL WAS RUNNING FINE AND THEN ENGINE LIGHT CAME ON, BROUGHT IT BACK TO SHOP AND SCANNED IT. CODES WERE P20C9, P0642, P2218, I DROVE IT AND HAS ENGINE POWER LOST, AND ENGIN… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
99 pete 379 6nz cat amp gauge jumps to +100 amps at start
99 pete 379 6nz cat amp gauge jumps to +100 amps at start up, drops back down after a short time replaced batteries and alternator, not sure where to go from here… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
F650: We have a 2006 F 650 and the batteries keep going dead.
We have a 2006 F 650 and the batteries keep going dead. One thought is the GEM module. I think we can get one but can't find anyone to program it. Shouldn't our local dealer have that? Do you have any… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
i have a 98 gmc c6500. i replaced the batteries on it about
i have a 98 gmc c6500. i replaced the batteries on it about a month ago and 2 weeks after replacing the batteries the battery light came on the dash. so I replaced the Alternator. after replacing alte… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 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

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,965 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

3,400 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,672 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

60,534 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 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