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
2012 Prostar vin: ***************** prime fuel system
2012 Prostar vin: ***************** prime fuel system andtruck will run for a couple minutes then shut down, the secondary DAVCO filter remains full but the primary filter on the engine is empty when … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
3406b 4mg s/n. In a 1990 kenworth. Has been losing fuel
3406b 4mg s/n. In a 1990 kenworth. Has been losing fuel prime and will not start without hand priming/ ether. Have replaced hand primer, as well as fuel transfer pump. Put a clear sight tube in betwee… read more
NicholasM1019
NicholasM1019
Diesel Technician
Vocational, Technical or Trade School
7 satisfied customers
I have a 92 Peterbilt Detroit 60 series d-dac 2... acts like
I have a 92 Peterbilt Detroit 60 series d-dac 2... acts like it's starving for fuel.. sounds like it's misfiring.. eventually it straightens itself out.. changed fuel filters,lines and blew air throug… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
EGR Delta pressure code comes up it's a 2012 paccar mx13 386
EGR Delta pressure code comes up it's a 2012 paccar mx13 386 Pete … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
Have a fault code that says low fuel pressure. 2015 kenworth
yes i am. I was told to try the filters 1st put that wasn't the case … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
I have 2013 peterbilt 386. My issue is my tech and speedo
I have 2013 peterbilt 386. My issue is my tech and speedo dont work and my truck is down on power. … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
2016 Pete 389. Not drawing any fuel from driver side, it
Not drawing any fuel from driver side, it only draws passanger. What is wrong? … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I am diaging a 2013 DD16 with a crank / no start issue. So
I am diaging a 2013 DD16 with a long crank / no start issue. So far the customer has replaced the low pressure valves on the HP fuel pump, valves in the fuel filter housing, check valve and filters in… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
I have a 2012 epa10 paccar mx 13 engine with really low
Hi, i have a 2012 epa10 paccar mx 13 engine with really low power issues. This Truck has been egr and def deleted. We have just done an engine swap after the old engine went out. New engine is a used … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
2014 international prostar with a maxxforce 13. no start
2014 international prostar with a maxxforce 13. no start unless primed from external source. using an external fuel pump on the low pressure side the truck runs with no problems.HPFP replaced with a n… read more
Eddy
Eddy
HD Truck Tech
GED
2 satisfied customers
2012 built 384 with a paccar mx 13 will not start after
2012 peter built 384 with a paccar mx 13 will not start after changing water separator filter … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
2011 no start after fuel filter change. I filled the filters
2011 no start after fuel filter change. I filled the filters with fuel and it still doesn't want to start or prime … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
Would like a fuel flow diagram for a epa 10 paccar mf
Would like a fuel flow diagram for a epa 10 paccar mf engine. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
I have a 2011 Peterbilt 368 w/ Cummins ISX15. Our initial
I have a 2011 Peterbilt 368 w/ Cummins ISX15. Our initial problem was that the fuel tanks were not equalizing properly and the passenger side tank was always full and wasn't supplying any fuel to the … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
2009 ,volvo, d13, crank. prime and than hard to start, than
2009 ,volvo, d13 , long crank . prime and than hard to start , than 'replace fuel filter sign came on dash board. i replace fuel filter, and fuel filter assembly.i know injector and cup have problem, … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
430 satisfied customers
I am working on a MAN D2866LE401 engine and seem to have air
I am working on a MAN D2866LE401 engine and seem to have air in the system. I have a question of whether I shoulddsee any air in the glas bowl of the bosch lift pump … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I have an FH 550HP Volvo and its cuts out whilst driving. It
i have an FH 550HP Volvo and its cuts out whilst driving. It restarts after i bleed the fuel system. I have replaced both pumps & all filters . It is also hard to start but when i prime the fuel syste… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
11,849 satisfied customers
I am running two series Cummins engines in my 36' Hatteras
I am running two B series Cummins engines in my 36' Hatteras sport fish. Recently I have noticed air in the top of both Racors whenchanging filters - first the port and then 3 months later the starboa… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 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

11,849 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