Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
My CAT 279d is fuel starved. I've replaced the transfer pump
My CAT 279d is fuel starved. I've replaced the transfer pump and fuel filters, but as soon as I crank it up, it drains the main fuel filter about 1/4 of the way, then under load it will completely dra… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I hav problem with 2002 GMC WT5500.with the 7.8 Isuzu Diesel
Hi there. I hav problem with 2002 GMC WT5500.with the 7.8 Isuzu Diesel engine. Engine won't start. Wen I'm crankin the engine stay running for like 3 seconds. But if I keep cranking for several times … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
How are you, I hav a Frieghtliner with a cat c13, its a none
Hi Steve , how are you , I hav a Frieghtliner with a cat c13 , its a none starter , the engine , engine failure light come on , it say 4 failure , thr light stay on for 6 to 7 second on fault 4 , and … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
Here i have a cat 279D and when I turn the key on it gives
Hi Steve here i have a cat 279D and when I turn the key on it gives me a sensor supply voltage 1 voltage below normal 3509- 4 … read more
cat_engines_only
cat_engines_only
Other
Vocational, Technical or Trade Scho
3,290 satisfied customers
I hav problem with 2013 isuzu npr 5.2 diesel the red mesege
hi there, i hav problem with 2013 isuzu npr 5.2 diesel the red mesege EXH.SYSTEM STAY ON ON THE SCREEN THE DRIVER SAID WEN THE MESSEGE CAME THE TRUCK WONT GO MORE THEN 35 MPH HE SAID BEFORE THE HAPPEN… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 279D skidsteer. Getting lot of air bubbles coming
I have a 279D skidsteer. Getting lot of air bubbles coming into the both filters. Making the machine run bad and sometimes die out … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have a cat 279D skid steer with a 3.3L cat motor. It won't
I have a cat 279D skid steer with a 3.3L cat motor. It won't start. The starter just keeps kicking out and won't start. I just changed the starter but still the same issue. No codes … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I have 279D cat. I can't get it right now. But ii is
I have 279D cat JA: What is the complete model and serial number of your machine? Customer: I can't get it right now JA: Are you fixing this yourself? What have you tried so far? Customer: but ii is o… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I hav a problem with 2002 f650 with the caterpillar engine.
Hi there. I hav a problem with 2002 f650 with the caterpillar engine. Is take longer to get the engine started in the morning. I turn on the switch like 3-4 time and wait for the message wait to start… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
07 Kenworth with a Cat c15 Wont shut off when I turn key
07 Kenworth with a Cat c15 Wont shut off when I turn key back, Starts Fine and runs perfectly.I replaced the IGN Relay, Same problem. And trucks turns off when I pull relay out… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
I hav a 2006 Isuzu NPR 5.2 diesel. I was driving 35MPH then
Hi there I hav a 2006 Isuzu NPR 5.2 diesel. I was driving 35MPH then engine start loosing power it doesn't go more then 10MPH. I press the aceletor pedal. The RPM doesn't go more then 1200 and the che… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,740 satisfied customers
I hav a problem with a 2008 workhorse with the 4.5 diesel
Hi there I hav a problem with a 2008 workhorse with the 4.5 diesel international engine. It won't start. What I hav done. New fuel pump , fuel filters.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
I hav I 2008 workhorse with international Diesel engine.
Hi there I hav I 2008 workhorse with international Diesel engine. Engine just died it won't start now. I just removed the fuel filter that one goes on the engine and the housin is empty no fuel. And I… read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
Mi kubota engine loosen power wen eyes hot, cool to 20
Hi, mi kubota engine loosen power wen eyes hot, cool for 15 to 20 minute tuning normal … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,571 satisfied customers
there, i hav a problem with a 99 chevrolet 3500 6.5lt
hi there, i hav a problem with a 99 chevrolet 3500 6.5lt turbo diesel engine won't stater,, just replace the valve cover gasket and intake manifold gaskets and i have to revoved the fuel injector line… read more
Expert
Expert
7,399 satisfied customers
Hi there, I hav a proble with a 2000 Ford E350. Air bag
Hi there, I hav a proble with a 2000 Ford E350. Air bag light is flashin wen engine is runing. It keep flashin all the time. And I got 1 code B1232… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
207 satisfied customers
Hello Cat Man. I have a C-15 ESN-BXS01366 that the engine
Hello Cat Man. I have a C-15 ESN-BXS01366 that the engine brakes arn't working. Used ET and in the status screen it says that it is disabled. Looked through the configuration settings and couldn't fin… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
hi there, i hav a 96 GMC TOPTICK TRUCK truck it does
hi there, i hav a 96 GMC TOPTICK TRUCK truck it does no star wen i turn the key to star position i only hear like cleak noise from a relay and i need to nowk how the start sistem work on the diagram w… read more
Chris (aka-Moose)
Chris (aka-Moose)
Technician
Vocational, Technical or Trade School
353 satisfied customers
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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

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

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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.

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