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 just replaced my fuel filter with a cat fuel filter and
I just replaced my fuel filter with a cat fuel filter and now im trying to prime the fuel filter but no fuel comes out thebleeder screw what can cause for no fuel to come out the bleer?2003 hd duramax… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
My bobcat runs good when i first start but after 10 or 15
My bobcat runs good when i first start but after 10 or 15 mins it loses power … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
431 satisfied customers
Semi truck. Semi truck. Is there a diesel mechanic. Need
Semi truck JA: What is the make/model/year of your car? Customer: semi truck JA: Are you fixing your vehicle yourself? What have you tried so far? Customer: is there a diesel mechanic JA: How old is t… read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,307 satisfied customers
I have 1997 international 9400 with 3406 e cat I have
I have 1997 international 9400 with 3406 e cat I have replaced check valve where all fuel lines come in by filter housing and I have replaced timing sensor on front of engine truck will not start ?was… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
2001 d12 Volvo turns over but wont fire. Will run off other.
2001 d12 Volvo turns over but wont fire. Will run off other. Truck sat for a month due to a coolant leak, repaired and now it wont fire … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 3116 Cat in a 1991 CMC top kick. Starts easy, runs
I have a 3116 Cat in a 1991 CMC top kick. Starts easy, runs great at idle and low rpms. It looses power then regains it at road speeds . I have replaced fuel filters ( seems to clear up for a while th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
What would cause diesel engine to sputter while driving,?
What would cause diesel engine to sputter while driving … read more
Curtis B.
Curtis B.
Technician
Associate Degree
39,269 satisfied customers
I have a cat 3406e 5ek giving me some trouble, seems like it
I have a cat 3406e 5ek giving me some trouble, seems like it has lost some power at times, when I let it idle for a while it takes of fine but once I get into a long gear it seems to lack on power lik… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Working on a 1993 Ford 600 School bus with a 5.9 Cummings
Working on a 1993 Ford B 600 School bus with a 5.9 Cummings diesel that died driving down the road. I took the fuel filter between the lift pump and the injection pump off and turned it over and it ap… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
DIESEL MECHANIC 14.0 L , HESITATION AND LOSS OF POWER
HESITATION AND LOSS OF POWER WHILE RUNNING ON THE HIGHWAY , IT HAPPEN ALL OF A SUDDEN THEN I RELEASE FUEL AND FUEL AGAIN IT FEELS LIKE NO FUEL PEDAL WORKING, BUT SOME TIMES IT DOES GO BACK AND WORK, WHEN I DRIVE AND LETS SAY I AM USING THE CRUISE CONTROL IT START LOSS POWER/ PICK UP POWER ON THE ROW AND SHAKING, I DID CHANGE TURBO, EGR SO FAR DONT KNOW WHAT TO DO , OH YEAH WHEN IT CHOKES ON THE HIGHWAY THE ENGINE LIGHT COMES ON, BUT WHEN LET GO OFF THE FUEL THE LIGHT GOES OFF, WHEN FUEL AGAIN IT COMES ON, AND SO ON, BUT AFTER A LITTLE WHILE ILL BE ABLE TO PICKUP SPEED AND GO, ITS BAD ON INCLINES START DIE FAST , … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I have a 2014 international lonestar with the max force 13.
I have a 2014 international lonestar with the max force 13. The with them is the fuel seems to drain back on them and cause a no start until primed. Sometimes they will start, run for 5 seconds, then … read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
208 satisfied customers
I have a 2003 c7 cat that is empting both fuel filters and
I have a 2003 c7 cat that is empting both fuel filters and runs out of fuel. I have replaced all injector seals, fuel lines, filter bases, heiu pump, pressure regulator, fuel filters, and had the fuel… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Sir, I bought a 1992 Ford 8000 diesel dump truck, automatic,
Sir, I bought a 1992 Ford 8000 diesel dump truck, automatic, with big Cummings engine, I can drive it 500 to 1000 ft or so and it will act like its running out of fuel and die, I can sometimes put it … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 1994 ud 1400 box truck. 6cyl td mt. 80k miles. 3rd
I have a 1994 ud 1400 box truck. 6cyl td mt. 80k miles. 3rd owner. I have run the truck hot 3 times. 1st was due to a blown heater core. The second 2 due to a casting hole in the water manifold/tstat … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
ford f550: I have a 6.4 diesel power stroke that is showing
I have a 6.4 diesel power stroke that is showing reduced engine power and the wrench on the display. what are the probable causes the high pressure pump and injectors have been replaced recently . The… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
We have a 2003 Freightliner FL80 w/ CAT 3126. It has been
We have a 2003 Freightliner FL80 w/ CAT 3126. It has been having an intermittent sputtering or cutting out problem when seeing a load. It doesn't throw any codes for this. Dealer changed fuel pressure… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
I have a 1981 Kenworth, with a 8v71T engine. Engine died driver
I have a 1981 Kenworth, with a 8v71T engine. Engine died driver said accelerator pedal felt loose, engine will not restart… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
ford cf 800: I have a 1997 ford cf 800 box truck.the fuel lines
I have a 1997 ford cf 800 box truck.the fuel lines were clogging up and causing the truck to stall. I've drain the tank,pressured cleaned the tank,dried it, blew out the fuel lines and checked the fil… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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

4,737 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

39,269 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