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
ISX CM871 ESN 79324675 I need to test the dpf doser and
ISX CM871 ESN 79324675 I need to test the dpf doser and shutoff valve with Insite could you let me know the steps to do this right? I have a clue but will like to get your input, it is doing regen but… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2016 pete with isx engine fan stays on. Mechanical system
2016 pete with isx engine fan stays on. Mechanical system functions properly. Ac switch, manual switch, coolant temp, manifold temp all okay. Ecm is calling for fan 'default state'… read more
BrentR718
BrentR718
6 satisfied customers
Fan will not kick off. 2013 Peterbilt 389 isx cummings. And
yes and have put in a fan solenoid all new ac switches has power to solenoid when truck is not running key on but when you start it has no power to solenoid and fan wont kick out if I put power to solenoid fan shuts off … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 satisfied customers
2004 international isx fails insite turbo test. Fails
2004 international isx fails insite turbo test. Fails actuator test also. No evidence that air gets through the shut off valve. 8.5 volts measured with multimeter won't open old or new solenoid. … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 satisfied customers
I'm working on a 2014 Kenworth T800 with an ISX Cummins
I'm working on a 2014 Kenworth T800 with an ISX Cummins model DCEXH0912XAU and ESN(###) ###-#### The customer concern was a major air leak at the front of the engine and the engine fan remains on when… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
418 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
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
11,536 satisfied customers
Dr. Cummins, Have ISX ESN-79292515 It doesn't have a
Dr. Cummins, Have ISX ESN-79292515 It doesn't have a pyrometer in the truck but I want to install one. What is the specs for installing one since it has a doser valve. Also what is the max temp these … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
2009 Peterbilt with Cummins ISX, would like OEM wiring for
2009 Peterbilt with Cummins ISX, would like OEM wiring for Idle validation switch. I have a flash code 431. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,536 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
4,023 satisfied customers
I have a cummins isx in a 2012 peterbilt it has code 3566
i have a cummins isx in a 2012 peterbilt it has code 3566 aftertreatment diesel exhaust fluid dosing valve we replaced doser valve on a road call and code was inactive until my tech forced regen obv t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,536 satisfied customers
I have a 2000 N14 - 500 Engine ser. number is 11944673 the
I have a 2000 N14 - 500 Engine ser. number is ***** the engine temp will get up to about 220 or 225 before the fan comes on and when it comes on it only runs a short time [2 or 3 seconds]. I replaced … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,536 satisfied customers
I have this cummins isx Can I get the normal value of intake
Hello sir I have this cummins isx Can I get the normal value of intake and outake nox on regen Esn-79484878… read more
Roy Belding
Roy Belding
7,528 satisfied customers
Constant problems with regeneration right now it regents for
Constant problems with regeneration right now it regents for 1hour off 1hour truck still has plenty of power 2010 peterbilt model 335 cummins motor… read more
Geoff
Geoff
BS
12 satisfied customers
its a cunnins 2009 isx motor I have a code popping up 1667
its a cunnins 2009 isx motor I have a code popping up 1667 we have change all sensor from dozer valve back to muffler had dpf in muffler cleaned cant get the code to clear… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
09 isx will not perform stationary regen, catalyst face temps
09 isx will not perform stationary regen, catalyst face temps will not go over 230 degrees. replaced VGT actuator and installed new turbo. do I need to look at replacing an actuator or just run the ov… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
when replacing a Cummins ISX Turbo, factory Reman...does the
when replacing a Cummins ISX Turbo, factory Reman...does the new reman turbo have to be calabrated to the existing truck? If so, how can I calibrate a Cummins ISX reman turbo turbo to Cummins Specs.?… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,700 satisfied customers
I HAVE AN ISSUE WITH A ISX ENGINE OIL TEMP IS OVER HEATING
I HAVE AN ISSUE WITH A ISX ENGINE OIL TEMP IS OVER HEATING I CHANGE THE THERMOSTAT AND IT WORK FINE FOR A COUPLE A WEEKS AND OVERHEATS AGAIN I TOOK IT TO SHOP THEY REPLACE THE EGR HOUSING VALVES THATS… 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

11,536 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