Medium and Heavy Trucks

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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
38,793 satisfied customers
I start engine and shortly I get a ringing notice come on
I start engine and shortly I get a ringing notice come on then it's shuts off … read more
RobertW710
RobertW710
Master technition
ASE
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I am not getting fire to the points. 800 Ford tractor, The
I am not getting fire to the points. 800 Ford tractor … read more
Don - Mo Lurch
Don - Mo Lurch
Owner
Vocational, Technical or Trade Scho
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Bobcat no spark. Melroe bobcat. New points new cap rotor
bobcat no spark JA: What is the complete model and serial number of your machine? Customer: melroe bobcat JA: Are you fixing this yourself? What have you tried so far? Customer: new points new cap rot… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
We have a 1991 F700 that won't turn over replaced the
we have a 1991 F700 that won't turn over replaced the battery, spark plugs ignition switch coil etc we can get it to turn over once after cranking on it for over a minute but it won't catch … read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
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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
38,793 satisfied customers
What is the number one post on the distributor cap for a
What is the number one post on the distributor cap for a international 404 engine … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
Ive got a nta-855-ga natural gas cummins engine that wont
ive got a nta-855-ga natural gas cummins engine that wont start. ive got spark air and fuel all to engine but still no start. will not start or fire off of eather either. … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
I am working on a 1997 f700 with 7.0 gas engine. It will
I am working on a 1997 f700 with 7.0 gas engine. It will crank but won't start. We aren't getting any spark. Replaced coil, distributor, and ignition module. When cranking a light on the instrument pa… read more
Pete
Pete
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General auto certifications
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I have a Ford 641 that stopped running - at first it was
I have a Ford 641 that stopped running - at first it was running fine, then when i fixed the fuel shut off under the gas tank, it began to shut off after a few minutes, then completely quit. I've clea… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
I have a nissan LP forklift that will not start, ive changed
i have a nissan LP forklift that will not start, ive changed the fuel lock, the vaporizer, and the carburetor, also checked the valve clearance and compression. it has a strong spark also. any ideas :… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
We have a H90XL with a v 6 gm engine. purchased in 1992. The
we have a H90XL with a v 6 gm engine. purchased in 1992. The machine starts fine in any weather but runs rough and has no power and also backfires a lot. Could the carburetor be out of adjustment? We … read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
I have an allischalmers ca that i recently installed an electronic
i have an allischalmers ca that i recently installed an electronic ignition in. un fortunately i neglected to mark where my rotor was pointing when i removed the distributor. i think i am off by 180 d… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
1991 Ford F700 EFI w/ 7.0 liter/429 cu. in. fuel injection
1991 Ford F700 EFI w/ 7.0 liter/429 cu. in. fuel injection w/ governor, 5 speed manual with 2 speed rear axle. Starts quickly without hesitation, idles smoothly. Will drive normally on first start up,… read more
John Vieira
John Vieira
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63 satisfied customers
Chevrolet C65: chevy c65 finished manufacture june --1975.
chevy c65 finished manufacture june --1975. All new points, condenser, -coil, cap, rotor. Wires lined up with 1-8-4-3-6-5-7-2. I wired up the positive side of the coil directly to the battery eliminat… read more
Curtis B.
Curtis B.
Technician
Associate Degree
38,793 satisfied customers
1985 f800 bucket truck have not run for along time replace
1985 f800 bucket truck have not run for along time replace starter and place in fresh fuel and it run cut off while outriggers are down do not see a solenoid cut off replace both fuel filters if can n… read more
spankyjr1
spankyjr1
Retired
Vocational, Technical or Trade Scho
420 satisfied customers
I Have a 95 f700 U-Haul box truck with a bad miss, that
I Have a 95 f700 U-Haul box truck with a bad miss, that comes and goes...lately it's been pretty much all the time. I did get it to run 95% better when I changed the Ignition module but after 2 short … read more
tractordoc65
tractordoc65
heavy equipment mechanic
Vocational, Technical or Trade Scho
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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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