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
2007 Peterbilt 335 Cummins 8.3 ISC. SN 46644819...originally
2007 Peterbilt 335 Cummins 8.3 ISC. SN 46644819...originally brought in bc of loss of power & heavy smoke...replaced injectors (all 6), replaced #2 piston & sleeve, machine shop checked heads but no m… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Can smell diesel fumes when a regen is on. 2008 Peterbilt
Haven't done anything yet. Wanted to know what is wrong and if I can fix it … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
213 satisfied customers
I have a 2016 389 peterbilt with a 550 ISX Cummins I ran out
I have a 2016 389 peterbilt with a 550 ISX Cummins I ran out of fuel and the check engine light came on would like to clear it can you help? … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
213 satisfied customers
Have a 2013 Peterbilt with a ISX and a active code of
Have a 2013 Peterbilt with a ISX and a active code of Particular trap 1 pressure … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
213 satisfied customers
1997 peterbilt n14 celeste plus. 1997 peterbilt cummins n14
Chasing a problem for several years. Seems to me when I have an injector starting to miss the ecm will derate engine power.im not sure if this is a derate or just a power loss. … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
213 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 Diagnostic Technician
2,452 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
For some reason my vehicle keeps “jerking” when I drive at
For some reason my vehicle keeps “jerking” when I drive at every speed, and won't seem to go any further when I'm in low gears … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,027 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
Fuel Rail Pressure Sign. 2013 Peterbelt 386, ISX 15 Cummins.
Last time around 2000 miles ago , This sign came, i went to peterbilt dealer, They changed the fuel filter, and SCR , NOX, Temp sensor. Then I run around 500 miles this sign came again, when I try to climb at moutain. Then go back to same dealer back, they said bettery cables loose that the reason. Run again 2000 miles now same sign came again on the mountain. … read more
Andy
Andy
Truck Diagnostic Technician
2,452 satisfied customers
Fuel Rail Pressure Sign. 2013 Peterbelt 386, ISX 15 Cummins.
Last time around 2000 miles ago , This sign came, i went to peterbilt dealer, They changed the fuel filter, and SCR , NOX, Temp sensor. Then I run around 500 miles this sign came again, when I try to climb at moutain. Then go back to same dealer back, they said bettery cables loose that the reason. Run again 2000 miles now same sign came again on the mountain. … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
Isx cummins intermittent misfire. Isx 600 79283458. Ran
ran insite showed #6 injector pass fail injector replaced… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,027 satisfied customers
Dr cummins I have a Cummins ISX 7932036. I need to know what
Dr cummins I have a Cummins ISX(###) ###-#### I need to know what liner protrusion should be. Also need to know how to perform a snap acceleration test for ISX ESN-79292515… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
05 Int 9900i,cummins ISX, says I have 2 faults, 128:F04
05 Int 9900i,cummins ISX, says I have 2 faults, 128:F04 (pid131-A) and 092:F04 (pid131-A) . Local Int dealer says can't tell me what they are./ … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,027 satisfied customers
Working on isx cummins blowing a lot of smoke replaced EGR
Working on isx cummins blowing a lot of white smoke replaced EGR cooler was leaking water and smoke continues 2009 ISX… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,027 satisfied customers
I have a 2012 Peterbilt with an ISX cummins 600 hp - I was
I have a 2012 Peterbilt with an ISX cummins 600 hp - I was driving with cruise on and all of a sudden I got the nasty check engine msg, so trying to figure this out driving, let off the accelerator an… read more
Geoff
Geoff
BS
12 satisfied customers
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on
I have a 2013 Peterbilt with a 550 ISX. It has 3700 hrs on it and the DPF filter was cleaned at 2700 hrs. A couple of weeks ago it threw a code 3251 (particulate trap 1 pressure). I had a mechanic for… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
We have an 05 Peterbilt with ISX Cummins. Yesterday the manifold
We have an 05' Peterbilt with ISX Cummins. Yesterday the manifold pressure would climb while holding rpms steady, engine would build 30psi and drop off, meanwhile the pyrometer would rise relatively f… read more
Toby
Toby
Vocational, Technical or Trade Scho
107 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

4,027 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

1,458 satisfied customers

All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

149 satisfied customers

16 years of experience

dieseldan55

dieseldan55

Contractor

77 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