Medium and Heavy Trucks

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Related Medium and Heavy Trucks Questions
I have a 329 code on a cummins 8.3 with rough idle put new
I have a 329 code on a cummins 8.3 with rough idle put new fuel lines on to fix the air in fuel issue … read more
Joel Bos
Joel Bos
909 satisfied customers
I just purchased a 1987 peterbuilt 359 and trying to figure
I just purchased a 1987 peterbuilt 359 and trying to figure out exactly how to run the top end because I'm thinking about a head gasket replacement on all three heads due to engine oil running down th… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
2007 Peterbilt 335 Cummins 8.3 ISC. SN 46644819...originally
2007 Peterbilt 335 Cummins 8.3 ISC. SN 46644819...originally brought in bc of loss of power & heavy smoke...replaced injectors (all 6), replaced #2 piston & sleeve, machine shop checked heads but no m… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,460 satisfied customers
I have a 1993 kenworth t600 with an n14 cummins engine. It
I have a 1993 kenworth t600 with an n14 cummins engine. It doesn't do it all of the time, but occasionally it will lope only rev up to 1100 rpms with the throttle to the floor. It also will lope idlin… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
570 satisfied customers
I got an ISX SIgnature 600 that lopes at idle, 14001880, Had
I got an ISX SIgnature 600 that lopes at idle JA: What is the complete model and serial number of your machine? Customer: 14001880 JA: Are you fixing this yourself? What have you tried so far? Custome… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
M11 celect 1993 freightliner crank no start. Fuel going into
M11 celect 1993 freightliner crank no start. Fuel going into head, 30 psi, hooked up hoses into bucket, same result, put noid light on injector harness and got signal, both fuses and grounds going int… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
We have a cummins n14 here and the unit runs great but does
we have a cummins n14 here and the unit runs great but does not start unless hit with starting fluid and starts and runs doesnt sound like it has air in the system just fires right up customer has put… read more
Dorian Conley
Dorian Conley
Heavy Duty Diesel Engine Technician
Vocational, Technical or Trade School
Second opinion] I have a 1988 Volvo tandem grain truck with
Second opinion] I have a 1988 Volvo tandem grain truck with an L10 Cummins engine. It was fully rebuilt at roughly 950,000 km when I purchased it in 1998. It was very trouble free and performed well b… read more
Jeremy
Jeremy
Certified Truck/Bus Technician
Associate Degree
2,756 satisfied customers
I have a Cummins l10 that won't rev up only idles,changed
Hello, I have a Cummins l10 that won't rev up only idles,changed the fuel filter and clean the screen in the PT pump. But still no change,I don't feel the fuel solenoid clicking or anything when the k… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I have a 1988 Volvo tandem grain truck with an L10 Cummins
I have a 1988 Volvo tandem grain truck with an L10 Cummins engine. It was fully rebuilt at roughly 950,000 km when I purchased it in 1998. It was very trouble free and performed well but slowly began … read more
Curtis B.
Curtis B.
Technician
Associate Degree
1,947 satisfied customers
I have a 1994 Kenworth with an L10 Cummins that cranks, but
I have a 1994 Kenworth with an L10 Cummins that cranks, but won't start. ENG RTD 1 relay never gets power, ENG RTD 2 relay will flutter on and off which makes the fuel shutoff solenoid turn on and off… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
We have 1989 western star with l10 400 hp Cummins motor in
we have 1989 western star with l10 400 hp Cummins motor in it. We did an inframe to the motor, we sent cyl head out for rebuild, head was cracked, after 5 attempts the machine shop found a good core t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
I have a 1987 lag bus with a l10 cummins that was built
I have a 1987 lag bus with a l10 cummins that was built 11/13/92 it set for over a year and I went to start it to move it it started right up so a month has passed and I went to start it up again and … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
Phillip Here. I have a 2006 international 9900 i with a cummins
Phillip Here. I have a 2006 international 9900 i with a cummins isx 435. The motor has about 30k on a complete overhaul. Its new thing is that it dont want to shut off when you turn key off. it sputte… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,460 satisfied customers
Yes sir. I have a Cummins isx 435 in a 2006 9900 international.
Yes sir. I have a Cummins isx 435 in a 2006 9900 international. It just started a new thing. When I turn the key off its like it roughly still wants to run before it dies. Then when you start it it id… read more
Travis A. Wells
Travis A. Wells
Truck Mechanic
Associates of Applied Science
15 satisfied customers
Cummins L10 not shuttin off, have replaced fuel solenoid stil
Cummins L10 not shuttin off, have replaced fuel solenoid stil not shuttin down but will shut down to just below idle… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
6,062 satisfied customers
l10 330f smoking and running rough at idle . idle up and engines
l10 330f smoking and running rough at idle . idle up and engines smooths out. At full throttle starts smoking and runs rough, also have loosened excaust manifoil and excaust ports are dry no oil fuel … read more
cumminsdr
cumminsdr
Mechanic
High School or GED
4,460 satisfied customers
Hi there,I have a cummins N-14 engine in a Ford L-9000
Hi there, I have a cummins N-14 engine in a Ford L-9000 boom truck. The engine serial number is XXXXX Its my understanding that this is an STC type N-14, and the problem is that awhile back, it began … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
5,115 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

6,062 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,353 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

5,115 satisfied customers

worked on, Gmc, Macks, Freight liner,Mercedes Benz,,Ford, sterling

Jeremy

Jeremy

Certified Truck/Bus Technician

2,756 satisfied customers

ASE Med/HD Truck Technician, NATEF Diesel Engines and Electrical/Electronics Technician, Network Engineer specializing in CAN faults, Aftertertreatment, and vehicle communications

Curtis B.

Curtis B.

Technician

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Technician turned service manager on multiple lines of trucks and engines, used in industry.

cumminsdr

cumminsdr

Mechanic

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All types of Cummins applications

Chris (aka-Moose)

Chris (aka-Moose)

Technician

641 satisfied customers

24 years of experience diagnosing & repairing

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