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
Have ISX cummins that is slobering out of exhaust behind
Have ISX cummins that is slobering out of exhaust behind turbo. Believe it is fuel. Can you tell me cause … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Could battery cables possibly be the problem have tried all
Could battery cables possibly be the problem have tried all of the above and same problem just 8000 Mike's on a total rebuild. Was running great turned a corner and this trouble started … read more
Scott Anthony
Scott Anthony
Master Technician
HS Diploma
1 satisfied customers
I am getting fuel in the oil on a isx cummins 2011 engine.
i am getting fuel in the oil on a isx cummins 2011 engine … read more
Mike Mcmillan
Mike Mcmillan
Shop Foreman/Triage Tech
3,876 satisfied customers
It's stalling out when I accelerate at higher speeds, I can
It's stalling out when I accelerate at higher speeds, I can hear air coming through the manifold, the check engine light is on at it indicates on the diagnostics fuel rail pressure … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 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
4,791 satisfied customers
I have a Cummins isx 2007, hard to start rough idle. Cummins
Hello, I have a Cummins isx 2007, hard to start rough idle … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,791 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
Shop Foreman/Triage Tech
3,876 satisfied customers
I have a 2008 peterbilt 386 with the Cummins ISX. It just
it just now started diesel smoking and missing while I was going down the highway … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
08 Cummins ISX 386 peterbilt. Is overheating when it pulls a
08 Cummins ISX 386 peterbilt. Is overheating when it pulls a grade and engine shuts down … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 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
1,700 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
4,791 satisfied customers
Have a 2007 peterbilt with cummins ISX engine. Engine
Have a 2007 peterbilt with cummins ISX engine. Engine cranks, runs briefly, makes some white smoke and dies. Getting code PID 94 FMI 1 "Fuel Pump delivery pressure low". Also SPN 94 FMI 18 "fuel press… read more
Expert
Expert
7,408 satisfied customers
I have a 2010 peterbilt 387 with a cummins isx CM871. The engine
I have a 2010 peterbilt 387 with a cummins isx CM871. The engine cranks but wont run. It did run only twice while here ...(Low idle, rough with no throttle response).Checked all the fuses...all good. … read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
Hello, I filled up my DPF Tank at a Loves and they had much
Hello, I filled up my DPF Tank at a Loves and they had much water in their tank, it caused 3 errors; 1) NOx Due to Quality 2) Aftertreat SCR Operate; Inducement Severity 3) Engine Derated The third er… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
We Have a 2008 386 Peterbilt with Cummins ISX Engine , Driver
We Have a 2008 386 Peterbilt with Cummins ISX Engine , Driver Says Oil Pressure is Fluctuwating Between 20 & 60 Lbs , Normal Pressure has been 38 lbs he changes Oil Filter & Made No Difference… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
Got an 08 peterbilt with a cummins isx. Emissions removed.
Got an 08 peterbilt with a cummins isx. Emissions removed. Excessive cranking Grey smoke when it starts and fuel delivery pressure code.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,791 satisfied customers
I have a 2008 peterbilt 386 with a cummins isx. and randomly
I have a 2008 peterbilt 386 with a cummins isx. and randomly driving down the highway the cruise will shut off fan will turn on and jakes wont work. This happens all at once then drive for awhile and … read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,636 satisfied customers
Harness, fuses, what? Just got 2008 Peterbilt 386 with a Cummins
Harness, fuses, what? Just got 2008 Peterbilt 386 with a Cummins ISX Signature 600 out of MHC Denver. After having two (2) sensors replaced - the pressure sensor & the TPS Assy (which was under warran… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 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

4,791 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

1,700 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