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 1999 isuzu npr diesel that started getting weak
i have a 1999 isuzu npr diesel that started getting weak about 3 weeks ago. it will not run over 55 on flat ground. we replaced the fuel filer last week and no change. today it shut off at a stop sign… read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
18 satisfied customers
99 Isuzu NPR with 4he1 diesel. Starts, runs for 2 seconds
99 Isuzu NPR with 4he1 diesel. Starts, runs for 2 seconds and shuts down. Fuel supply is ok. filters new. Lift pump is good. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,206 satisfied customers
2006 Isuzu NPR HD diesel. Intermittently goes into lip mode
2006 Isuzu NPR HD diesel. Intermittently goes into lip mode with code P0091. The Fuel rail pressure sensor, injectors, fuel pressure regulator and pigtail have been replaced. The pigtail for the Fuel … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
18 satisfied customers
I have an 2014 Isuzu NPR with code P0093. Under rapid
good morning i have an 2014 Isuzu NPR with code P0093. Under rapid acceleration throws this code and goes into limp mode. No visible leaks. runs fine if you just accel slowly. was thinking of changing… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,206 satisfied customers
I have a 99 isuzu NPR HD that has a 5.7 vortec motor in it
I have a 99 isuzu NPR HD that has a 5.7 vortec motor in it with l460e transmission. It has an almost constant issue of power loss accompanied with shift hesitation. Sometimes it's perfect. I'm almost … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
We have a 2011 Isuazu NPR, 3.0 Diesel Engine. P2000 and
We have a 2011 Isuazu NPR, 3.0 Diesel Engine. P2000 and P20C9 codes. Have replaced Both Nox sensors and DEF Control Module. Had codes that were specific for these components and the dealer said that m… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
496 satisfied customers
1999 isuzu npr gas with the key on no power to fuel pump
1999 isuzu npr gas with the key on no power to fuel pump once you spin the motor for 15 seconds it will crank… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Im looking for a pcm/engine wiring diagrame for a 200 npr
hi im looking for a pcm/engine wiring diagrame for a 200 npr with a 5.7 … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
496 satisfied customers
1995.5 isuzu npr meter, back fuse blows! speed odometer dose
1995.5 isuzu npr meter, back fuse blows! speed odometer dose not work trans does not shift into od! I need a wiring diagram … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Travel to Caribbean to Fix NPR Fuel Issue - Starts Won't Rev
Travel to Caribbean to Fix NPR Fuel Issue - Starts Won't Rev I'm looking for a certified Master Isuzu NPR technician to travel to St. Croix US Virgin Islands to solve a fuel issue. Vehicle is a 2010 I… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
I have a problem with an Isuzu NPR box truck that will not
I have a problem with an Isuzu NPR box truck that will not fire up. I was driving down the road and it just stopped running. a year ago I had it put into storage and still it will not start, it wants … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,206 satisfied customers
I am on the verge of replacing my 2007 Isuzu npr with a 2012
I am on the verge of replacing my 2007 Isuzu npr with a 2012 Mitsubishi fuss fe160. 132 inch wheelbase with a 14 foot reefer box. What can I expect my maximum sustainable highway speed to be (relative… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,243 satisfied customers
Dan,Got a 2000 Isuzu NPR-HD, gas engine, box van. Fuel pump
Dan, Got a 2000 Isuzu NPR-HD, gas engine, box van. Fuel pump is out. Yeah I knocked the tank a few times and got it to run but it is not dependable. Armature in pump motor is likely damaged, so I'm re… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,206 satisfied customers
I have 2000 Isuzu npr , truck batteries were bad and replaced
I have 2000 Isuzu npr , truck batteries were bad and replaced them, few days later same problem checked cables and one cable was bad/bad connection, changed that all is good, now 4 days later truck st… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
Hi just bought a 99 isuzu npr diesel I think the owners before
Hi just bought a 99 isuzu npr diesel I think the owners before me hardly used it so I thought you should know that but 2 days later after I bought I ran the fuel tank down below a quarter tank. The en… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
698 satisfied customers
Isuzu medium-duty 4500 series NPR: I have a 1989 Isuzu medium-duty
I have a 1989 Isuzu medium-duty 4500 series NPR box truck with a four cylinder diesel turbo motor I was driving it two days ago and all the power went out of the fuse box the motor did not shut off an… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
698 satisfied customers
I have an Isuzu diesel box truck that stalled out and would
I have an Isuzu diesel box truck that stalled out and would start back up. I later tried starting it and it started right up and ran with no problem for over an hour. We had experienced the same probl… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
698 satisfied customers
I have a 2001 Isuzu NPR gas 5.7. It keeps burning up my fuel
I have a 2001 Isuzu NPR gas 5.7. It keeps burning up my fuel pumps, actually it's not providing enough fuel pressure. Right now I get between 40 and 45 psi. It also has stalled on me and after 15 minu… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
698 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

3,206 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

4,530 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

2,892 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,243 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, EPA 608/609 HVAC Certified, Steering/Suspension and ABS/Brakes Technician

cumminsdr

cumminsdr

Mechanic

1,351 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

991 satisfied customers

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

dieseldan55

dieseldan55

Contractor

74 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