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Related Medium and Heavy Trucks Questions
No electrical power to cab at all. 2007 chevy w4500 (isuzu
was intermittently starting, now does not work at all… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
2005 Isuzu NPR 5.2 diesel brake hydroboost fluid overflowing
2005 Isuzu NPR 5.2 diesel brake hydroboost fluid overflowing steering reservoir … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
I have a 2011 Isuzu npr Hd diesel, I hv zero power anywhere.
Hi, I have a 2011 Isuzu npr Hd diesel, I hv zero power anywhere. Fuses seem to be fine, I've redone the ground, made sure batteries are charged and good. Still nothing, no lights, dead on all things. … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,734 satisfied customers
I have a 2005 Isuzu NPR. Initial press of brakes is spongey.
Hi, I have a 2005 Isuzu NPR. Initial press of brakes is spongey. Bleed brakes at Master Cylinder, block in rear, and all 4 wheels. Brakes are hard after 1 pump but the initial pump is still spongey an… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,734 satisfied customers
I have a 04 isuzu npr hd 4.8 diesel 4he1. i replaced the oil
i have a 04 isuzu npr hd 4.8 diesel 4he1. i replaced the oil cooler due to a leak. removed the injector pump double checked timing marks and it looks correct. now i have cranking but a no start. bled … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,806 satisfied customers
Have codes 41 and 17. Isuzu 2005 diesel2.5 engine. Nothing.
yes, nothing. don't want to just throw parts at it … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
2006 Isuzu npr 5.2 diesel gauge cluster completely went out
2006 Isuzu npr 5.2 diesel gauge cluster completely went out nothing works. not even miles. Check all fuses. even the one behind glove box actually closer to radio. 15 amp hot all times and 10 amp only… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,734 satisfied customers
2013 isuzu npr hd brake lights not working. Is good. NPR HD.
new switch checked wiring lights and fuse all good … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
2013 Isuzu NPR It's been running great and I tried to start
2013 Isuzu NPR It's been running great and I tried to start a dash lights blinking crazy Lots of clicks coming from the fuse and relay box. Lights come on but when you turn the key the lights go off a… read more
timdieseltech
timdieseltech
lead diesel tech, shop owner
Vocational, Technical or Trade School
206 satisfied customers
2015 isuzu npr diesel the check engine light with the
2015 isuzu npr diesel the check engine light with the exhaust light and the speed drop to 5 MPH I SCAN IT I GOT THESE CODE U2105 AND U2203 I NEED DIAGNOSTIC PROCEDURE FOR THESE TWO CODE THANKS… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,734 satisfied customers
I have a 2014 Isuzu NPR diesel that just had the injector
Hey Jeremy i have a 2014 Isuzu NPR diesel that just had the injector pump replaced and a host of other things and after about 3 mile on the highway the truck slows down to about 45-50 miles per hour. … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
2008 Isuzu NPR 5.2 Diesel Auto. Replace AC low side line
2008 Isuzu NPR 5.2 Diesel Auto. Replace AC low side line because it had rub a hole where it attaches to the radiator area. Tried to charge and wouldn't take much. Replaced dryer "sock" and screen. Tri… read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
Associates
4,734 satisfied customers
2016 isuzu npr diesel it is on limp mode and i can not find
2016 isuzu npr diesel it is on limp mode and i can not find what is wrong . i attached a video of the dash . i cleared the codes using autel scanner and no codes coming back . i did select regeneratio… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I'm dealing with a 2016 Isuzu NPR 5.2 liter 4HK1 that has a
I'm dealing with a 2016 Isuzu NPR 5.2 liter 4HK1 that has a constant (D)PM/(Diesel) Particulate Matter false reading and a constant Regen issue that I am having no luck finding a source or reason for … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I hav a 2006 Isuzu NPR 5.2 diesel. I was driving 35MPH then
Hi there I hav a 2006 Isuzu NPR 5.2 diesel. I was driving 35MPH then engine start loosing power it doesn't go more then 10MPH. I press the aceletor pedal. The RPM doesn't go more then 1200 and the che… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
We have an 08 Isuzu NPR, no tach, speedo or temp. Trans does
We have an 08 Isuzu NPR, no tach, speedo or temp. Trans does not shit right and multiple communication codes… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 satisfied customers
I am looking for a wiring diagram and fuse panel diagram for
I am looking for a wiring diagram and fuse panel diagram for a 1993 NRR truck. Can you help me with that? … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,747 satisfied customers
We have a 2012 INTERNATIONAL DURASTAR 4300 MAXXFORCE 7 V8
We have a 2012 INTERNATIONAL DURASTAR 4300 MAXXFORCE 7 V8 6.4. Just had the injectors replaced and did an oil change because of fuel leaking into the oil. Truck started and ran great for the first 15 … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

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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

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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

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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.

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