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 2016 Peterbilt 579 with ISX15 2350. It is 450hp
I have a 2016 Peterbilt 579 with ISX15 2350. It is 450hp with 10spd MT, 3.25 rear ratio, 430k miles. I am always 77 to 79k lbs gross weight and in the hills. I am always bogging to 9th and often 8th g… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Changed the fuel separator on a ISx15 and now cannot prime
changed the fuel separator on a ISx15 and now cannot prime it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
2015 Peterbilt 389 with Cummins ISX15 CM2350 I am having
2015 Peterbilt 389 with Cummins ISX15 CM2350 I am having fuel rail pressure problems. I have the insite program and have ran various tests and the fuel pressure on the rail is bleeding off. No externa… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
17 satisfied customers
I HAVE 2016 pete 389 with motorized mirrors that move only
I HAVE 2016 pete 389 with motorized mirrors that move only left -right. i bought another pair from a pete 386 which move left-right and up-down. i installed new mirrors with new mirror switch from pet… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a 17 peterbilt 389 with a isx15 Cummins keep getting
I have a 17 peterbilt 389 with a isx15 Cummins keep getting a check engine light on and it reads injector number 3 has been changed and harness as well but it keeps getting the check engine light on t… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
17 satisfied customers
Why do I not have power to my lift pump on my 2015 peterbilt
why do I not have power to my lift pump on my 2015 peterbilt 389 I did change the engine wire harness already and I also changed the actuator on the fuel pump but I still have no power to my fuel pump… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
17 satisfied customers
My fault code on an x15 Cummins says connect service tool.
My fault code on an x15 Cummins says connect service tool … read more
Joe
Joe
Service Technician
Associate Degree
869 satisfied customers
My 2012 Peterbilt 389 with a Cummings motor has the check
My 2012 Peterbilt 389 with a Cummings motor has the check engine light on with a 1 and a triangle. When I checked the fluids levels it was 2 gallons low on oil and a half gallon low on anti freeze. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,384 satisfied customers
Just trying to find the family name for a 2015 ISX15 engine,
Just trying to find the family name for a 2015 ISX15 engine … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,384 satisfied customers
Code 3361 replaced still have code 2015 pete with cummins
code 3361 replaced still have code 2015 pete with cummins 6.7 389 vin 272058 was waiting for answer but no one has answered back … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
481 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
2 satisfied customers
I have a 2012 Isx 15 600 hp in a Peterbilt 389, fuel pump
I have a 2012 Isx 15 600 hp in a Peterbilt 389, fuel pump went out took it to local shop they replaced but timing was out, it ran fine just check engine light and code was for mechanical timing. Took … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 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
4,384 satisfied customers
ISX 15 engine is in derate. Screen show "fuel rail
ISX 15 engine is in derate. Screen show "fuel rail pressure". Also show a fault code of SPN 5585. … read more
Nicholas Awtry
Nicholas Awtry
20 satisfied customers
I hav a 2015 pete 389 with Paccar engine. Low fuel pressure
Hi I hav a 2015 pete 389 with Paccar engine JA: What is the complete model and serial number of your machine? Customer: Low fuel pressure light came on n it shut off JA: Are you fixing this yourself? … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Fault code755 on Cummins isx cm2350 I have tried another
Fault code755 on Cummins isx cm2350 I have tried another fuel pressure sensor another ecm what could cause this code … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,384 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 acquired a Cummins isx 15 550 engine (cm2350) complete
I acquired a Cummins isx 15 550 engine (cm2350) complete with fuller transmission and emissions after treatment system (egr, scr) off of an 2015 international truck. ecu and wire harness included up t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
211 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

4,384 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