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 am working on a cat c6.6 and have code spn637 Primary to
Hello I am working on a cat c6.6 and have code spn637 Primary to secondary speed signals calibration fault can you help me the driver sees it as lost of power… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Se encendió la luz roja y me da un código spn101-0. Cascadia
se encendió la luz roja y me da un código spn101-0 … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
Looking for normal exhaust back pressure values on a 2009
Looking for normal exhaust back pressure values on a 2009 maxforce 9 engine with DPF system. High and low values please… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have a 04 c15 mbn motor. Running 70mph loaded yesterday
I have a 04 c15 mbn motor. Running 70mph loaded yesterday and suddenly there's no power. Hit the throttle and motor starts bucking. Vehicle speed dropped to 50mph then eventually dropped to 20mph. Che… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a bus on the side of the road with the following
Hello,I have a bus on the side of the road with the following codes:2011 Ford F650 Cummins ISB 6.7 2803712 - Red 2771 - Amber 3718 - Amber 3714 - Amber 3682 - AmberThe bus is in engine de-rate and can… read more
Roy
Roy
shop foreman
Associate Degree
5,133 satisfied customers
I have an 2007 international 9200i, with caterpillar c13,
Good morning, I have an 2007 international 9200i, with caterpillar c13, yesterday I wash it and doesn't star today? Could you help me please. … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
1995 9200 international speedometer needle is straight down
1995 9200 international speedometer needle is straight down when driving and can't get over 1800 rpm (power loss) … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
Im having an issue that I can figure out and seems to be
Im having an issue that I can figure out and seems to be getting worse. Truck is a 2007 Freightliner Columbia witha 14L Detroit S60 with EGR and 10 speed tranny. I have the truck running in boost mode… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
My cat mxs c15 check engine light is on, loss power and oil
My cat mxs c15 check engine light is on, loss power and oil pressure is low and i took the truck to two differents mecanics to have it scaned and both came out with a 221_4 code, i disconet the sensor… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH
2014 mack cxu613 MP8 codes P20EE00 AND P207F00 REPLACED BOTH NOX SENSOR,NO CODES NOW BUT CAN NOT REGEN AND TRUCK STILL HAS SERVICE DEF ON INFORMATION SCREEN AND IS DERATED… read more
Roy
Roy
shop foreman
Associate Degree
5,133 satisfied customers
I have a 1996 Volvo with a ved12 engine. my problem is that
Customer: I have a 1996 Volvo with a ved12 engine . my problem is that I have a code that the idle validation switch is activated. speedometer and odometer quit working along with the ***** ***** and … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
My brand new genset with a cummins QSX15 ran well the first
My brand new genset with a cummins QSX15 ran well the first start. Next day it wouldn't start.cummins South Africa technicians baffled. HELP… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
202 satisfied customers
I have a series 60 that has sat year or so it will not
i have a series 60 that has sat for a year or so it will not start have fuel all the way thru but seems to not fire any suggestions sam… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
i have a dt466e runs good but loud doesnt sound like a dt44e
i have a dt466e runs good but loud doesnt sound like a dt44e should sometimes it sounds smooth… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
202 satisfied customers
I have a 2008 cummins isx. durning parked regen temps rise
I have a 2008 cummins isx. durning parked regen temps rise to 1050 deg. after about 10 minutes then begin to drop and lots of white smoke. what could be the problem… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
202 satisfied customers
12-2006 7600 International Last 8 of VIN#7J553672 Cummins
12-2006 7600 International Last 8 of VIN#7J553672 Cummins Issue: Dash Codes 1 2 613 14A and 150 2 2023 14P . Yellow engine light is on...tried to clear out codes with buttons on steering wheel...will … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
We have a 2012 model engine. Both yellow engine lights have
We have a 2012 model engine. Both yellow engine lights have come on and we can't get over 45-55 miles per hour. Can you give us any idea what the problem could be?… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
419 satisfied customers
my cummins isx seems to be de-rating it self, especially on
my cummins isx seems to be de-rating it self, especially on hills but its not showing codes… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,458 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

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