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 dt360 in a 4700 IH, unit will blow black smoke out
I have a dt360 in a 4700 IH, unit will blow black smoke out the exhaust when you step on it from a stop sign. We replaced the turbo due to oil going into the intake side, removed and test all injector… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
I have a 2008 Ford F350 with a 6.4L diesel and I am
I have a 2008 Ford F350 with a 6.4L diesel and I am experiencing a no power issue. It does ok off the line but falls on its face at 25-30 mph. It has a dpf delete and tuner, egr delete, an air dog fue… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
149 satisfied customers
We have a cat serial number is 5EK31855 It bucks and pitches
we have a cat serial number is ***** It bucks and pitches when you give it fuel noe ck eng light. Have ck all fuel lines cac turbo and boots all ok. We have change fuel pump boost sensor and speed sen… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
We have a dt466 here at the shop. It pours black smoke out
We have a dt466 here at the shop. It pours black smoke out of the exhaust. When you rev it up. It's in a 2006 International. No codes. Vin 87h524640… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
3,632 satisfied customers
I have 2008 volvo vnl 780 with d12. Turbo is not boosting. I
I have 2008 volvo vnl 780 with d12. Turbo is not boosting. I beleive it is a fuel problem. I have changed boost censor, fuel filters, checked exhaust break, and for pressure leaks. … read more
Mike
Mike
Triage Tech/Shop Foreman
Associates
214 satisfied customers
I have an 06 western star with a 14 litre Detroit...low
i have an 06 western star with a 14 litre Detroit...low power on any level..ive changed the cac,fresh service,replaced delta p sensor and the turbo is a year old..its been hooked up at Detroit and all… read more
Roy
Roy
shop foreman
Associate Degree
5,399 satisfied customers
Can I add an electric fuel pressure gauge to monitor the
Can I add an electric fuel pressure gauge to monitor the fuel pressure of the low pressure lift pump side side of a Bosch injection pump mounted on a Cummins C8.3 engine?… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
Cummins B5.9 -175, 1995 F800, Engine starts and runs great,
Cummins B5.9 -175, 1995 F800, Engine starts and runs great, but once you give it full throttle it will smoke like crazy and eventually fallback to idle and stall, if you keep your foot to the floor. I… read more
Curtis B.
Curtis B.
Technician
36,312 satisfied customers
I have a 2006 ih 4900 with a dta 1/4 mile it bogs down like
I have a 2006 ih 4900 with a dt*****a 1/4 mile it bogs down like its running out of fuel I open the fuel filter cap and there is a massive amount of air ,reinstall the cap prime system it goes another… read more
James
James
Bachelors degree automotive technology with minor in diesel
3,584 satisfied customers
2004 Freightliner Columbia with a Cat C-15 Bridge (MBN
2004 Freightliner Columbia with a Cat C-15 Bridge (MBN series, single turbo) engine has no power thru the gears, but most noticeably from 7th on up to 10th. Problem initially started when the truck bl… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a Cat C9 ESN C9S01556. this unit had a fault code
Hello I have a Cat C9 ESN C9S01556. this unit had a fault code for low boost pressure that keeps coming back. It has 200 counts. Aprox 1300 miles ago I replaced the boost pressure sensor, for the same… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I HAVE A 7FB23434 3406B YEAR 1985 MY PROBLEM IS MY TRUCK IS
I HAVE A 7FB23434 3406B YEAR 1985 MY PROBLEM IS MY TRUCK IS LOW ON POWER BERORE THE PROBLEM STARTED I HAD 27 PSI OF MANIFOLD BOOST AND THE TRUCK RAN LIKE A BEAST. BERORE THE PROBLEM STARTED IT WOULD S… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
My boss has a 85 iveco with a inline 6 diesel that has been
my boss has a 85 iveco with a inline 6 diesel that has been sitting for over 10 years. I have dropped the tank and cleaned new fuel filters and pushed fuel to the injector pump using a electric pump f… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have a 2004 Cat C-13 ESN : KCB20419 This unit will
hello I have a 2004 Cat C-13 ESN : KCB20419 This unit will not build any boost, during accl it is very slow no power. AT the very top end it is only building like 8 psi. I already replaced the boost p… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 satisfied customers
I have a 1996 DT466 (Non Electronic) that has no power, seems
I have a 1996 DT466 (Non Electronic) that has no power, seems OK when we go thru gears 1-4 and after there is no boost and no power. We have checked fuel filters, Fuel Lines, etc, etc.. I believe it m… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
I have a 1994 IH 4900 with a DT466. Used to be a municipal
I have a 1994 IH 4900 with a DT466. Used to be a municipal unit with a lot of idle hours, but only 32,000 miles. Once normal operating temperature is reached, just about everytime I go to accelerate f… read more
tkman55
tkman55
Shop manager Trailer Refrigeration shop
138 satisfied customers
hi have a b series cummins engine here that had a turbo waste
hi have a b series cummins engine here that had a turbo waste gate welded shut i have rebuilt engine in now but want to get the waste gate working on the new turbo the solarnoid on the inline pump loo… read more
DirectInjection
DirectInjection
Field Service
Diplom
56 satisfied customers
I have a 1996 International 4900 DT466 It starts and runs
I have a 1996 International 4900 DT466 It starts and runs great, has a lot of power but once it reaches 40-45 mph it tops out. Only way it goes faster is downhill! Any idea what may be wrong?… 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

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