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
Cascadia 2011 motor cummins isx. Cascadia 2011 motor cummins
si quiero es que me digas que significa el código y cuál es la solución… read more
Roy
Roy
shop foreman
Associate Degree
4,596 satisfied customers
I have a full tank of DEF. The engine is derated and I have
I have a full tank of DEF. The engine is derated and I have the following codes. 4340, 5246, 1569, 3740, and 6802 it's a 2016 Peterbilt 389 Cummins isx … read more
Eddy
Eddy
HD Truck Tech
GED
I can't locate the oil pressure sensor on my. 2008 ISX387
I can't locate the oil pressure sensor on my. 2008 ISX387 Peterbilt can you help? … read more
Steven
Steven
Triage Tech/Shop Foreman
Associates
12 satisfied customers
I have a isx 15 in a 2011 peterbilt. Engine brake stays on
i have a isx 15 in a 2011 peterbilt. Engine brake stays on intermittently while accelerating. This happens in all three switch possions and even if the on off switch is off. … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
I have 2016 Peterbilt. 389. Cummins isx. It just threw a
It just threw a code to shut engine off immediately… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
Have a Cummins ISX.. hard to start & rough idle,, then after
have a Cummins ISX.. hard to start & rough idle,, then after a hour smooths out … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2011 Freightliner Cascadia Cummins ISX motor Dirt 3 engine
2011 Freightliner Cascadia Cummins ISX motor Dirt 3 engine lights on the check engine the red shut down and then one to the right of that I'm not which I'm not sure what it is stay on in the truck is … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
Have a Cummins ISX engine. Just threw code FMI 31, SPN 4364.
Have a Cummins ISX engine. Just threw code FMI 31, SPN 4364 … read more
Roy
Roy
shop foreman
Associate Degree
4,596 satisfied customers
I have a Peterbilt with Cummins isx. I keep having problems
I have a Peterbilt with Cummins isx. I keep having problems with #7 injector also known as DPF fuel injector. It's been replaced 2x in a year. Last time was in the last week. I pick truck up, cranked … read more
Roy
Roy
shop foreman
Associate Degree
4,596 satisfied customers
I have a 2005 peterbilt Cummins isx with engine inframe
I have a 2005 peterbilt Cummins isx with engine inframe overhaul. Turn key on check engine light comes on then goes off. Lift pump runs for two mintues. Won't start but will run off starting fluid … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2009 386 with Cummins ISX. Lose throttle and engine light
2009 386 with Cummins ISX. Lose throttle and engine light comes on. Code is throttle position. replaced 2 tps's, both the harnesses to ECM, and the ECM. Added more grounding and cleaned all connection… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
2,803 satisfied customers
Cummins ISX defrayed, just replaced Nox sensor, Dorset
Cummins ISX defrayed, just replaced Nox sensor, Dorset module and get DPF cleaned … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
254 satisfied customers
2009 Peterbilt with isx Cummins on insite trying to do a
2009 Peterbilt with isx Cummins on insite trying to do a stationary regen says clutch pedal is depressed just put in new clutch switch still says depressed try to bypass with jumper wire still says de… read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
I have a code on my peterbilt of sp175 what does it mean.
I have a code on my peterbilt of sp175 what does it mean … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
3,919 satisfied customers
I have a 2012 Peterbilt with a Cummins ISX. the fan runs all
I have a 2012 Peterbilt with a Cummins ISX. the fan runs all the time. I changed the solenoid and fan switch. Still running. What's next ? … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
2,892 satisfied customers
We are having trouble starting a Cummins ISX 15, 2012
We are a provider of Roadside breakdown services. We responded to the customer who called with crank, no start, no codes situation. We have tried the obvious things, and think the problem is the fuel shutoff solenoid. … read more
Aaron Evans
Aaron Evans
MOBILE FLEET MANAGER
44 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
2,892 satisfied customers
DPF problems. Truck is in the shop and they want to charge
DPF problems. Truck is in the shop and they want to charge me $10,000+. Engine running rough with white smoke billowing. My haunch is it's a delta P sensor, Doser injector, and IMAP sensor. Engine is … read more
FIX-IT
FIX-IT
Comercial transport technician
Vocational, Technical or Trade Scho
829 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

2,803 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

3,919 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