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
Limp mode will not go to second gear. 2013 daily 35 s11.
replaced all glow plugs, cleaned egr, changed oil and filter as oil light is flashing with EDC too … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
1998 Ford f800 5.9 Cummins engine, took the advise from
1998 Ford f800 5.9 Cummins engine, took the advise from Wayne, with changing the fuel filter and adding diesel cleanse. I can go past 35 mph, but I feel I'm really working the unit. Won't go past 40 m… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,371 satisfied customers
I have a 1991 F800 with a 7l engine. It has a chk eng light.
I have a 1991 F800 with a 7l engine. It has a chk eng light. I tried to jump out the data link connector, but I can't get the dash to flash. What can I do? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
2010 Isuzu NQR diesel. Going along on the highway with fuel
2010 Isuzu NQR diesel. Going along on the highway with fuel pedal 3/4 to full throttle truck goes into limp mode. Shut truck off restart take off fine but the above repeats. Side note: if your driving… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
2001 FL60 tow truck. Engine shut off while picking pu a
2001 FL60 tow truck. Engine shut off while picking pu a customer, Got code 364 from blinking light on dash … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
465 satisfied customers
We have a C7 with intermitted power loss. sometimes we can
We have a C7 with intermitted power loss. sometimes we can shut it down and restart and it is fine again. Sometimes it will run bad for a day the fine the next day. When it losses power the truck runs… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
1996 n11 cummin in a ex fed ex tractor goes into limp mode
1996 n11 cummin in a ex fed ex tractor goes into limp mode five minutes after you start it disconnect batteries wait 30 secs reconnect runs excellent again for ten minutes back to limp mode oil n cool… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
465 satisfied customers
I have a 1999 f800 ford ISB 5.9 CM550.No start with codes
I have a 1999 f800 ford ISB 5.9 CM550.No start with codes 373 & 364. Checked power & ground to vp44 control module. Good ground 11.1 volts cranking. Can not find vp44 relay to check wiring. Need locat… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
02 int. 4300 single axle tractor 5spd allison. Truck goes
02 int. 4300 single axle tractor 5spd allison. Truck goes into limp mode after 5/10 miles when bobtailing and within a mile with just an empty trailer. Reduced power. No codes presently … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
2007 Kw T600 with a C15 esn: NXS13458. Installed a IVA
2007 Kw T600 with a C15 esn: NXS13458. Installed a IVA pressure sensor and cleared the inactive codes. Customer left truck running for 10 min to settle the bill. When he came out the truck was not run… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a 2004 International 4300 truck with a dt466. Truck
I have a 2004 International 4300 truck with a dt466. Truck is going into limp mode and throwing 2 codes consistently. Using Prolink nexiq. 2 active faults, 1st is: Injection control pressure 725.19 ps… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
I recently bought an Isuzu Elf truck PB-NKR81N from JAPAN
I recently bought an Isuzu Elf truck PB-NKR81N from JAPAN NBC Corporation . 4790cc manual 170000 k.m. chassis # NKR81-7049948 3 drive type :***** Received truck late January 2018 and was working fine … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
I recently bought an Isuzu Elf truck PB-NKR81N from JAPAN
Second opinion] I recently bought an Isuzu Elf truck PB-NKR81N from JAPAN NBC Corporation . 4790cc manual 170000 k.m. chassis # NKR81-7049948 3 drive type :***** Received truck late January 2018 and w… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
7.8 liter duramax lights flash and truck goes into a limp
7.8 liter duramax lights flash and truck goes into a limp mode … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
465 satisfied customers
Have a 2008 f650 with a c7 cat..drive it the other day and
Hello, Have a 2008 f650 with a c7 cat..drive it the other day and noticed one big puff of white smoke but nothing else.. Today, Went about 40 miles. Pulling 3 Axel 5th wheel trailer. Started blowing w… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a 2007 izuzu npr that keeps loosing power when driving
I have a 2007 izuzu npr that keeps loosing power when driving have to restart to drive again we are getting code p0093 p0087 we replaced the fuel filter and then the suction control valve the truck is… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
1999 sterling sc8000 with 5.9 cummings codes 374 and 364
1999 sterling sc8000 with 5.9 cummings codes 374 and 364 368, 369, come up after pump was re-intalled.… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
Sir I have a garbage truck with a cat 3126 engine .the truck
Sir I have a garbage truck with a cat 3126 engine .the truck drives well on a flat road but when to drive up hills it would not clear ,it looses it's power like its starving for fuel but the engine wo… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 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

5,454 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

4,371 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