Medium and Heavy Trucks

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I have a old bobcat 630. the engine keep stalling when the
hi. I have a old bobcat 630 . the engine keep stalling when the engine is hot. I'ved check the fuel line and the pressure between the pump and the carb and it's fine. Thanks… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Turns over but no spark. WD 45 NO serial number. Replaced
turns over but no spark JA: What is the complete model and serial number of your machine? Customer: WD 45 NO serial number JA: Are you fixing this yourself? What have you tried so far? Customer: repla… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
480 satisfied customers
Have a Model FG25ST-12 forklift with Nissan H20 engine. Sn
Have a Model FG25ST-12 forklift with Nissan H20 engine … read more
Curtis B.
Curtis B.
Technician
Associate Degree
40,836 satisfied customers
1973 Ford F250 390, no spark. Spark from coil to dist.,
1973 Ford F250 390 , no spark. Spark from coil to dist., spark visible at points, no spark at plugs. Tune up a couple months ago with plugs, rotor, condenser and points made it run great. A few days a… read more
Curtis B.
Curtis B.
Technician
Associate Degree
40,836 satisfied customers
A brake line broke on my 92 top kick 366 and it sat in the
A brake line broke on my 92 top kick 366 and it sat in the hay field for 2 weeks before I could get it fixed. After I replace the line it started fine but as I took it down the trail to get off the fi… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
My Farmall 140 tractor cranks good do not have to choke runs
My Farmall 140 tractor cranks good do not have to choke runs good for about 15 to 20 minutes under a load plowing then it starts to sputtering and will die but will crank right up at idle speed then a… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
Spoke about a vt365 having oil issues oil psi 50 IHOP 567
Hi spoke about a vt365 having oil issues oil psi 50 IHOP 567 psi no fire has full fuel filter will run on shot of ether then die any insite… read more
Mike Mcmillan
Mike Mcmillan
Triage Tech/Shop Foreman
Associates
480 satisfied customers
I recently paid for an answer to my question about timing
I recently paid for an answer to my question about timing marks for my Mitsubishi fgc25 forklift while changing the water pump we somehow broke the timing belt I asked for the timing makes and the guy sent me a pdf file showing them we set them to those locations put the truck back together now it wont start doesn't even sputter … read more
Curtis B.
Curtis B.
Technician
Associate Degree
40,836 satisfied customers
I have a 2003 dodge cummins 24 valve turbo engine, the
I have a 2003 dodge cummins 24 valve turbo engine, the problem I have is the engine dies at idle and stopping. I have had three different mechanics look at it, the fuel filter,crank shaft sensor and t… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 satisfied customers
I have a cat 3126 that will not start. My driver said it
I have a cat 3126 that will not start. My driver said it sound3d like it was running out of fuel. The truck was then shut off. Added 30 gallons of diesel. It's not throwing a code so I think it's a fu… read more
Curtis B.
Curtis B.
Technician
Associate Degree
40,836 satisfied customers
Cummins N14 missing intermittently, no check engine light,
Cummins N14 missing intermittently, no check engine light, No active or inactive codes using Insite, replaced all suction and return line, new fuel pump, new Davco filter assembly, ran shop air thruog… read more
cumminsdr
cumminsdr
Mechanic
High School or GED
1,824 satisfied customers
I have a 1980 truck with a 360 engine.Iam getting spark out
I have a 1980 for f700 truck with a 360 engine.Iam getting spark out of coil but none when I try the distributor. Replaced ing switch&the pickup in the distributor.It cranks over fine just wont start.… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Jeremy , recently . On my 93 gmc topkick 366 motor .
Hello Jeremy , recently . On my 93 gmc topkick 366 motor . It's an old Uhaul . Cold - my truck fires right up and idles fine and runs smoothly . When I let idle up and run there no problem . Now , rig… read more
Daniel Wilson
Daniel Wilson
Auto Mechanics 1&2/diesel mech
5,454 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 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
4,563 satisfied customers
HI I have a 1995 Chevy Kodiak truck with a 3116 engine the
HI I have a 1995 Chevy Kodiak truck with a 3116 engine the problem I am having is when it gets down about a half a tank starts to sputter and barely runs if you build back up the tank it will run grea… read more
Cat Man
Cat Man
Cat Engine Expert
Vocational, Technical or Trade Scho
5,293 satisfied customers
I have a Carrier Ultima 53 / Ultra fresh refer unit about a
I have a Carrier Ultima 53 / Ultra fresh refer unit about a 99 to 01 I believe. Problem is when it goes into fast idle to ramp up cooling or heating effect, the CDT temp skyrockets to over 300 degrees… read more
Wayne
Wayne
Journeyman
Vocational, Technical or Trade Scho
4,563 satisfied customers
Ford f700: I have a 1995 f 700 with a 429. What would cause
I have a 1995 f 700 with a 429. What would cause it to just die and not restart...there is a loom of wires running along the drivers side fuel rail that when i accidently moved them the engine acted l… read more
diesel-tech
diesel-tech
Owner of landrys truck repair llc
136 satisfied customers
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Meet the Experts:

Daniel Wilson

Daniel Wilson

5,454 satisfied customers

Owner at DJ Wilson

Cat Man

Cat Man

Cat Engine Expert

5,293 satisfied customers

I am ASE Master Truck Certified.

Wayne

Wayne

Journeyman

4,563 satisfied customers

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

Jeremy

Jeremy

Certified Truck/Bus Technician

2,747 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

1,824 satisfied customers

All types of Cummins applications

Curtis B.

Curtis B.

Technician

40,836 satisfied customers

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

Chris (aka-Moose)

Chris (aka-Moose)

Technician

462 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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