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 2005 ISX 450 Cummins. During acceleration in 9th
I have a 2005 ISX 450 Cummins. During acceleration in 9th and 10 th gear at around 1200 - 1350 rpms I'm getting a backfiring out of the exhaust. I've replaced the EGR pressure sensor, the EGR valve, t… read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
211 satisfied customers
2000 mitsubishi Fuso FH-211 truck with the 6d34 6 cylinder
2000 mitsubishi Fuso FH-211 truck with the 6d34 6 cylinder turbo diesel engine. Truck runs rough, almost like it is missing. Black smoke coming from exhaust.Only code is 21 control rack position senso… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Would you happen to have instructions on how to program the
Good afternoon sir would you happen to have instructions on how to program the trim codes on a 2012 cat c13.… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 satisfied customers
Goid afternoon I have a 2009 Freightliner Cascadia with the
Goid afternoon I have a 2009 Freightliner Cascadia with the series 60 14 L while under acceleration and park truck has a really bad surge and smokes a little white fuel pressure is okay EGR valve is n… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Having oil blow by on a 3406e cat engine, serial # is
I am fixing it myself I have not tried anything at this point it has no loss of power does not smoke … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 satisfied customers
Ok we got a 2007 international T4300 that starts and runs
Ok we got a 2007 international T4300 that starts and runs for about thirty secs then dies but if you hold it to the floor it will stay running till you let off but black smokes alot have trouble code … read more
Alex Olsen
Alex Olsen
auto/diesel/industrial
524 satisfied customers
I have Kenworth t660 2013 with paccar mx13 engine I have
I have Kenworth t660 2013 with paccar mx13 engine I have check engine light coming and also it says EGR delta presure and it says engine derate and #4 fuel injector data… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a Cat C15 MXS20633. Truck runs smooth cold but develops
I have a Cat C15 MXS20633. Truck runs smooth cold but develops a miss or studder as it warms up sitting still. Warm under a load it runs fine till under full load then shudders and my fuel pressure di… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 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
3,632 satisfied customers
2003 Mitsubishi fuso black smoke from exhaust pipe smells
2003 Mitsubishi fuso black smoke from exhaust pipe smells like heavy diesel engine sounds like its missing on a cylinder runs rough smooths out after driving for a little while wat can be causing this… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in
2010 Kenworth, ISX 15, CM871. Seems as though it's stuck in REGEN, for about 6 continuous hours of operation it was de-rated with bluish gray smoke coming from exhaust on steep hill climbs with a heav… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 satisfied customers
i have a question where i did a oil change on a dd15 and changed
i have a question where i did a oil change on a dd15 and changed all fuel filters, after changing fuel filters truck wouldn't start. after a trying a few times the way the manual tells you how to star… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
i started my truck yesterday and it white smoked and is missing
i started my truck yesterday and it white smoked and is missing out when on the throttle, let it warm up and did not change… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 satisfied customers
Hello I have a 2003 kenworth with a C15 engine the serial
Hello I have a 2003 kenworth with a C15 engine the serial number start with MBN. Its not the 6nz. Had a outframe done on it bout 80 000 miles ago. After that every once in awhile it derates the power … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 satisfied customers
Just over haul top and bottom. C15 accert 2005 put bigger cam
Just over haul top and bottom. C15 accert 2005 put bigger cam in and a c16 computer on it took pollution stuff off. Ran grest for 2 weeks got algae cleaned that up now truck runs crappy. Dyno wad good… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 satisfied customers
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running
I have a 2005 Cat c15 in a 2005 Kenworth T800. I has been running perfect with great fuel mileage. I had a PM done a few weeks ago and we alo had to replace the water hose located behind the Fuel cool… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
10,046 satisfied customers
Hello, question on my 2002 KW T2000 N14, Ive notice when idling
Hello, question on my 2002 KW T2000 N14, I've notice when idling some smoke coming out of exhaust pipe but you can see it or I can see it at night when Truck is under spot light nothing during the day… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 2006 frtliner columbia with det series 60 w/egr and
I have a 2006 frtliner columbia with det series 60 w/egr and it keeps on blowing turbo to exhaust manifold gasket.… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 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

3,632 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

10,046 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