Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
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
2,672 satisfied customers
Ihave an 07 peterbilt 320. looking for the location of the
ihave an 07 peterbilt 320. looking for the location of the HVAC and wiper fuse … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have an 8.3 ISC engine code 45898904. Had an in frame
My name is***** have an 8.3 ISC engine code 45898904. Had an in frame overhaul just done. I was getting blow by out my breather tube under load which prompted my overhaul … read more
Eddy
Eddy
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GED
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My old cummins L10 STC lost power and begin to smoke, I
Hi Steve my old cummins L10 STC lost power and begin to smoke , I install 6 recon injectors, send the pump to the diesel lab, check pressure in the injectors and is ok, but still lag of power and blac… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Do you have an expert on Paccar MX13 engines? 2012 KW T660
Do you have an expert on Paccar MX13 engines? JA: What's the make/model/year of your truck? Engine type? Customer: 2012 KW T660 Paccar MX 13 JA: Are you fixing your truck yourself? What have you tried… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Cummins ISX FMI 16 I got a new dpf filter installed a month
Cummins ISX FMI 16 I got a new dpf filter installed a month ago. Had more problems and found out a injector was failing so replaced that and cleaned the dpf again. That was a week and a half ago … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Cat Man, I've got a 6ts feels like its low on power. Only
Cat Man, I've got a 6ts feels like its low on power. Only building 10-12 psi on boost. what should it run full load? havent't checked my fuel psi while driving yet but sitting still its running 75 or … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
2000 IH 9900 with 12.7 series 60, 2 problems, 1st, jake are
2000 IH 9900 with 12.7 series 60, 2 problems, 1st, jake are strong when cold but as soon as engine warms up they are weak, a little rough, like its on 4 cyl, all jake heads are actuating, have replace… read more
Roy
Roy
shop foreman
Associate Degree
5,178 satisfied customers
I was just wondering about any problems that drivers are
Hello, I was just wondering about any problems that drivers are having with an ISX 15 Engine, I'm thinking about buying a truck with that engine in it, it has about 550k miles on it and a new turbo, j… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have an n14, and when I put in it in a strain (up hill or
I have an n14, and when I put in it in a strain (up hill or accelerating) it cuts out both on pedal and cruise. does not shut off cruise or engage the jakes. seems to happen when boost is around 15 lb… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Got a series 60 engine that was fully rebuilt last year
Got a series 60 engine that was fully rebuilt last year 2015. I took the block to machine shop and they cut the counter bores and shaved the deck. A few months later after assembling engine and pullin… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have a 2008 isx.when I first crank up my truck there is
I have a 2008 isx.when I first crank up my truck there is 5seconds or so it sounds good then it develops a miss or hesitation.now when it happens there is like a squeeking sound when the miss occours.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
My 2008 Peterbilt with an isx 500 all of a sudden lost boost
My 2008 Peterbilt with an isx 500 all of a sudden lost boost from 40 to 30 and has very little power. I change the turbo and change the fuel filter's and had to change the prime pump and it has made n… read more
][\][iCk0411
][\][iCk0411
Fleet Warranty Manager
Vocational, Technical or Trade School
5 satisfied customers
Cat Man, I have a 3406 3ZJ54893 that pulls strong until
Cat Man, I have a 3406 3ZJ54893 that pulls strong until about 1600-1700 rpms then just slowly pulls to 2000 rpm. We changed the fuel filters but that didn't change anything. Where should I go next? Al… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
My truck had a out exhaust manifold gasket a few weeks ago.
My truck had a blown out exhaust manifold gasket a few weeks ago. This was fixed by the dealership. The turbo was also bring held on by only 2 nuts. This was causing major boost leak, exhaust leak, lo… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have 2008 freightliner 6.7 cummins dtc 68 secondary turbo
I have 2008 freightliner 6.7 cummins dtc 68 secondary turbo inlet pressure . fault mode. data valid but above normal operational range… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
I have a cummins isx that has a loss of power and not
I have a cummins isx that has a loss of power and not getting any turbo boost pressure. I have checked all hoses, air cooler, and dont find anything wrong. I am not getting any active codes either. I … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
my 99 international looses power and powers out totally and
my 99 international looses power and powers out totally and has to stop going up a short steep hill.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
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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

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

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16 years of experience

dieseldan55

dieseldan55

Contractor

77 satisfied customers

Road Service mechanic for Volvo Construction.

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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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