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 2010 Peterbuilt with an isx it has codes one code
I have a 2010 Peterbuilt with an isx it has codes one code 4726 fmi 16, 2343 fmi15, 3714 fmi31. It has about 7300 hours on the engine. The primary fuel filter is half full every time we take it off. T… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
2006 international 9400i w isx 450! lost! runs fine on flat
2006 international 9400i w isx 450! lost ! runs fine on flat but soon as you start climbing the turbo boost starts flutering … read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
2 satisfied customers
I have a Cummins isb that I am changing the high pressure
I have a Cummins isb that I am changing the high pressure pump. What is the procedure? How much time will this take. Do I need any special tools?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,333 satisfied customers
2013 pet 386 with a cummins ISX 15. Started it up, it rane
2013 pet 386 with a cummins ISX 15. Started it up, it rane for about 30 min, it shut off like it ran out of fuel. so i changed the fuel filters and it still wont start . it fires as long as the DEF ga… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
CUMMINS ISX CM 871- CODE: MID 128- PID 94- FMI 1- Fuel
CUMMINS ISX CM 871- CODE: MID 128- PID 94- FMI 1- Fuel Pressure SupplyCode come's active and then goes inactive mode- Can you please tell me what can be going on.… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
Stalled out, installed new fuel filters, still will not go,
stalled out, installed new fuel filters, still will not go, no fault messages. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
I have a 2011 386 peterbilt show DPF fuel pressure delivery
I have a 2011 386 peterbilt show DPF fuel pressure delivery code and a clogged dpf symbol but just had the dpf filters cleaned but symbol stays active for clogged … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
I have a 2010 pro Star went to pick my load up empty it
I have a 2010 pro Star went to pick my load up empty it pulled fine,get my load then all of a sudden it slowly accelerates when i go upgrade it lose power i have to drop gears … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
443 satisfied customers
I have a 2011 international prostar. My air pressure gauges
I have a 2011 international prostar. My air pressure gauges started to ask up over the last month or so. They started to go to 150 psi and the buzzer will sound and after about 10 to 15 seconds they g… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a cummins isb 230hp eng no 57053453 cpl8136. truck
good morning, I have a cummins isb 230hp eng no 57053453 cpl8136. truck seems to run fine except when i hit any kind of incline it falls flat. I thought it was fuel filters so now they are new. It got… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a Peterbilt 387 the have a new ovelhaul about 10000
Hello I have a Peterbilt 387 the have a new ovelhaul about 10000 miles the truck everytime i stater star missing for about 1 min in when i cut the ignition off the truck stay running whit bad missing … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
210 satisfied customers
I have a 2009 kenworth T660 with an isx one day it decided
I have a 2009 kenworth T660 with an isx one day it decided not to start. We replaced both cams about two weeks ago and drove the truck 5000 miles now it won't start and has a code of 2215 I hear the l… read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
2007 Volvo 670, Cummins engine 425 hp, We keep getting check.oil
2007 Volvo 670, Cummins engine 425 hp, We keep getting check.oil ALERT...TA was changing sensors...made mistake by putting oil sensor in to fuel sensor place... Now after they fixed that for 2 months … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Ive been having an intermittent problem (for the last 6 months)
I've been having an intermittent problem (for the last 6 months) with my 1999 Freightliner Century. It has a 370hp Cummins ISM. Every time I make a repair. It runs fine for a week or so then the probl… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,333 satisfied customers
2006 cummins isx 475hp if the outside air temp gos below
2006 cummins isx 475hp if the outside air temp go's below 32 it change's the timing an the valve's clatter until the outside air temp goes above 32, has did this from day one an kills the fuel mileage… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,333 satisfied customers
HELP 2000 International m11 Problem started 2 weeks ago
HELP 2000 International m11 Problem started 2 weeks ago when driving the truck would "misfire" at times of high demand Problem got progressively worst 265 error codes for inbalance in the cylinders po… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 satisfied customers
We have a 2010 Kenworth T660 with a Cummins ISX 450. It is
We have a 2010 Kenworth T660 with a Cummins ISX 450. It is a former Conway fleet truck. According to the Cummins techs when we plugged to the computer, the engine is running like a top, not a code to … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,333 satisfied customers
My friend has a 2003 Peterbuilt with the 600 Cummins. He is
My friend has a 2003 Peterbuilt with the 600 Cummins. He is having problems with the fuel being extremely hot after it returns to the tank. Anything under a half tank and you can't even place your han… read more
JCTech
JCTech
Technical Specialist
Vocational, Technical or Trade Scho
352 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

4,737 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,234 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,023 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,740 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

4,333 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

1,571 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

353 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