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Related Medium and Heavy Trucks Questions
It's for a DD15 Detroit engine It's passing oils threw the
It's for a DD15 Detroit engine It's passing oils threw the diesel what could be the issue … read more
roybelding
roybelding
shop foreman
Associate Degree
5,350 satisfied customers
I have a 2015 Cascadia Freightliner my DEF tank is full but
I have a 2015 Cascadia Freightliner my DEF tank is full but my indicator light says I am empty what can I do … read more
roybelding
roybelding
shop foreman
Associate Degree
5,350 satisfied customers
Isuzu npr 4he1. Truck is loosing power after running about a
Isuzu npr 4he1. Truck is loosing power after running about a mile down the road. Like it's running out of fuel. It starts smoking faintly blue and starts slowing down and shaking like a bad skip ultim… read more
roybelding
roybelding
shop foreman
Associate Degree
5,350 satisfied customers
I have a 371 detroit in a motor grader I just bought. I
I have a 371 detroit in a motor grader I just bought. I loosened up the stuck ones and it ran beautifully. After running a while at mid range idle it bogged down, blew white smoke and won't rev. I wou… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,493 satisfied customers
My truck shut down and will not start back up. Check engine
my truck shut down and will not start back up. Check engine and engine protection lights are on. The coolant and oil levels are full. I bypassed the coolant level sensor to test that. My truck is a 98… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
My 60 series detroit losses power gh rpm, Changed injected
Changed injected harness computer said number three injected changed 1 2 and 3 then harness ecm changed fuel pump seems not as bad Bob tail till I get loaded any pull 9th 10 th gear flutters let up on throddle comes out of flutter still no power no smoke out of stack. Also changed fuel pump. Ran new hose from fuel pump to drivers tank still same problem. I run 1998 international … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
Got a 99 Fleetwood Bounder motorhome, 275 Cummins. Last time
Got a 99 Fleetwood Bounder motorhome, 275 Cummins. Last time I went camping it ran great going to the spot, but coming back an week later it was sluglish...it wouldn't hardly get over 45-50 MPH. Took … read more
go-west..
go-west..
Comercial transport technician
Vocational, Technical or Trade Scho
829 satisfied customers
​ I need an answer from an experienced Detroit Diesel
​Hello, I need an answer from an experienced Detroit Diesel mechanic. I have a 1994 Volvo GMC with a Detroit Diesel 12​.7​ liter engine DDEC III. Engine has 350,000 miles (fuel injectors are rebuilt) … read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,672 satisfied customers
I have a 73 GMC c7500 dump truck with a detroit diesel
I have a 73 GMC c7500 dump truck with a detroit diesel engine. I have not worked a lot with diesel engines. I think this truck has air in the fuel lines since we changed the fuel filters. How to we ge… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,493 satisfied customers
same vehicle 1999 4700 t444E 7.3Ltr. I'm having some
same vehicle 1999 4700 t444E 7.3Ltr. I'm having some totally intermittent low horsepower episodes. Unfortunately I have not fixed the access port wiring issue to gain access to the engine codes thru t… read more
Andy
Andy
truck /coach technician
Vocational, Technical or Trade School
203 satisfied customers
After working hour or so, engine slows down, I have to increase throttle over sev
After working for half hour or so, engine slows down, I have to increase throttle over several minutes to keep same pace/power, until it finally just doesn't have the engine revs. If I stop and wait 1… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,493 satisfied customers
engine serial:SDP14870 VIN:777979 C15 Acert- DPF problem
engine serial:SDP14870 VIN:777979 C15 Acert- DPF problem Hi I am having some issues with the above referenced truck, an overhaul was just done on the truck and we are now experiencing problems with th… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
4,965 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
gmc top kick: I have a top kick dump 1990,starts fine, after
I have a top kick dump 1990,starts fine, after running for 5 min. starts spitting and loosing power and blowing white smoke. the smoke is a fuel. put new filters on. what can I look for… read more
Curtis B.
Curtis B.
Retired service manager
Associate Degree
3,493 satisfied customers
we have a 99 freightliner with a detroit 60 in it we have had
we have a 99 freightliner with a detroit 60 in it we have had a new remanned 6 pack of injectors from detroit put in , new fuel pump,head gasket replaced and it still smokes at idle and acts like its … read more
ClaytonH729
ClaytonH729
Technician
Vocational, Technical or Trade Scho
627 satisfied customers
We have a 1999 frieghtliner with a Detroit 60 series. Something
We have a 1999 frieghtliner with a Detroit 60 series. Something is wearing batteries down and after it sits too long it won't fire without starting fluid. It blows white smoke out the stacks but goes … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
9,555 satisfied customers
Please help. I have a 2006 dodge 5.9L diesel wife started it this morn
Please help. I have a 2006 dodge 5.9L diesel wife started it this morning like it was her gasser liberty. I pulled out of driveway tried to drive it and there was no power and tons of black smoke. Tur… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
3,400 satisfied customers
have a 1978 mci bus with detroit diesel. bus ran fine when
have a 1978 mci bus with detroit diesel. bus ran fine when parked 1 year ago. starts fine now but will not accelerate.idles real low with lots of smoke.… read more
Don
Don
fleet superintendent
Vocational, Technical or Trade Scho
1,631 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

9,555 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

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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.

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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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