Medium and Heavy Trucks

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1957 ford 640 tractor. 134cid engine. started stumbling and
1957 ford 640 tractor. 134cid engine. started stumbling and died. cleaned and rebuilt carb. Started and ran about one hour mowing. Started stumbling again. Drove to barn and it would not start back up… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
I have a grimmer schmidt 125 with a 302 ford i think i have
i have a grimmer schmidt 125 with a 302 ford i think i have carb issuses … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
My L2501 runs for about 20 minutes then won't hold rpms.
My L2501 runs for about 20 minutes then won't hold rpms. Eventually just nogs down and quits … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
I have a Mahindra Max. It spins, puffs black smoke and will
I have a Mahindra Max. It spins, puffs black smoke and will not start. I hits once in a while like it wants to start, but it will not start. I have taken the filter out, all the breather hoses off and… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
I have an1988 New Holland 655E -. With, I believe fuel
I have an1988 New Holland 655E b-hoe. With, I believe fuel problems.It would run pretty fair for about 20 mins. then would start losing power like it was starving for fuel and soon after while running… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 satisfied customers
I have a 2007 gmc 5500 with an 8 1l. It is idling up and
I have a 2007 gmc 5500 with an 8 1l. It is idling up and down. It can shut the truck off when running the bucket … read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
400 satisfied customers
I have a genie 2668 et with a dual fuel engine. I run it on
I have a genie 2668 et with a dual fuel engine. I run it on gas. In the last few weeks I have experienced significant loss in power. It will stall out going up small inclines. It's also slowed down ra… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
Wont start replaced plugs fuel bowl coil checked carb could
wont start replaced plugs fuel bowl coil checked carb could it be points … read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
My D3C is stalling out like it is starving for fuel. The
My D3C is stalling out like it is starving for fuel. The water separator is empty of water and I replaced the fuel filter. It will start up fine and run for a bit but then after a few minutes work it … read more
catmastertech
catmastertech
Field service technician
Vocational, Technical or Trade Scho
1,303 satisfied customers
I have a Detroit 60 motor that dies on the road or at a idle
I have a Detroit 60 motor that dies on the road or at a idle like its out of fuel no air bubbles in filter but filter will be out of fuel replaced all fuel lines between tanks up to pump.may run all d… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
I have a JCB 1400B 1989..or so. it stopped running while I
I have a JCB 1400B 1989..or so. it stopped running while I was using it. When I try to start it, it runs for about 10 sec then dies. Ive checked fuel lines to/from the xfer pump and they appeared dirt… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
Farmall 460 starting problem. it starts and runs for a few
farmall 460 starting problem. it starts and runs for a few seconds and then quits. if attempt to start it will not start until you wait for along while then runs for afew seconds and quits. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
1957 ford NAA 860 tractor runs great minutes and then
1957 ford NAA 860 tractor runs great for 10 minutes and then starts to lose power and misfire. I bought the tractor in January 2015.It sat outside from January to August of 2015 until I brought it to … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
I have kenworth t660 with cat c-15 engine serial# ADP21414.
I have kenworth t660 with cat c-15 engine serial# ***** We are replacing head gasket as mechanic said it's bad. Also replacing injector seal cups. I was loosing a lots of coolant like 1 gallon every 1… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
MF 150 will start and run for 45 seconds then stops. Wait one
MF 150 will start and run for 45 seconds then stops. Wait one minute, and it will start and run fine for 45 seconds then quits. Checked fuel flow and carb. -everything looks fine. Need help.… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,794 satisfied customers
ok 08 with dpf so we put those new fuel filters in and nothing.
ok 08 with dpf so we put those new fuel filters in and nothing. I found under calibrations and tests an ard test. I got it up to temp and tried to run and it keeps failing code 0002. Ignition failure … read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,234 satisfied customers
Ford F5000 with a 370, last winder it would not run, now aga
I have a Ford F5000 with a 370, V8 1982. last winder it would not run good, had no power, back fired, burned 5 gallons gas in 20 minutes, filled the oil pan with gas, it ended up being the EGR valve a… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,023 satisfied customers
truck p30 not motor home when i give it gas it stalls , take my foot out of it and it will
truck p30 not motor home when i give it gas it stalls , take my foot out of it and it will go but start to surge. when i am up to speed it will surge until i put my foot back in to it then it is fine … read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
4,737 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

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I am ASE Master Truck Certified.

Wayne

Wayne

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

Jeremy

Jeremy

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

cumminsdr

cumminsdr

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All types of Cummins applications

Curtis B.

Curtis B.

Technician

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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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