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Related Heavy Equipment Questions
I have a 2004 f650 ford truck it doesnt want to stay on.
I have a 2004 f650 ford truck it doesn't want to stay on. Only when I spray starter fluid it will turn on but after I stop spraying truck shuts down. What could be the problem?… read more
Wayne
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Vocational, Technical or Trade Scho
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lit..fash code 164-11 and 164-02 becomes active one..throttle position
Having power issues with a cat 938 loader w/a 3126B 7.2 lit installed. Fash code 164-11 and 164-02 becomes active one after the other whenever the engine is subjected to load. At that point the engine… read more
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eratic and intermint check engine and engine..engine cut..two seconds
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intake..few seconds..25 to 35 lbs oil pressure,both fuses on the side
I have a 98 fl 60 with a 3126b cat motor that cranks and will not start.I have checked the power going to the heui pump and when you turn the key you can hear like a click up in that area, maybe a mag… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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As I am up and running the engines would choke down and stall.
I have 2001 3126b cats in a 38 ocean. As I am up and running the engines would "choke down" and stall. The stalls occurred on both the port and starboard, but not at the same time. All the guidance i … read more
Cat Man
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Caterpillar Engine Expert
Vocational, Technical or Trade Scho
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ford f150: RAN FINE YESTERDAY, POWER..FUEL CUT..CONNECTOR TO INJECTORS
MY CAT3126, IN A FORD F650 WILL NOT START. RAN FINE YESTERDAY, POWER TO FUEL CUT OFF SWITCH AT PUMP, NO POWER AT ANY WIRES IN THE CONNECTOR TO INJECTORS, CRANCK BUT WILL NOT START. AR #2016557 S\N(NNN… read more
FIX-IT
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Weve changed the shut down solenoid..starting fluid..speed sensor
I was on yesterday for help with a 3126 cat, with starting and running problems, we've changed the shut down solenoid, the truck would start on starting fluid and then sit and run until we shut it dow… read more
Cat Man
Cat Man
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Vocational, Technical or Trade Scho
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GMC: filters..solenoid..a shot of starting fluid and set and run fine
we have a 3126 cat in a 01 GMC, died while driving, changed both filters, and the electric fuel shutdown solenoid, truck will start with a shot of starting fluid and set and run fine, once you shut it… read more
Cat Man
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We replaced 6 injectors on my cat 3126 ser #07as44193 , now
We replaced 6 injectors on my cat 3126 ser #07as44193 , now we can not get truck running. It was but i had lost oil pressure and cat dealer told me to replace all 6. oil was getting on to my saddle ta… read more
Cat Man
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600sec: Injectors Put..Spark plug..over 50mph Then Back Down To 40-45
I Have A 2008 F650 With A Cat Engine (3126) It Was At The Dealer And Had Injectors Put In It And A Spark plug In The Regen. After I Got It Back The Truck Will Not Go Over 50mph Then Back Down To 40-45… read more
Cat Man
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Vocational, Technical or Trade Scho
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Pontiac: motor home..Factory..my engine..injectors are energized
I own a CAT C7 Assert engine that is in a 2004 Winnebago Journey motor home. I am a retiree of the CAT engine Fuel system Factory located in Pontiac, Illinois. I was associated with the management tea… read more
catmastertech
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2000 Cat 3126b Intermittent starting issue...crank..wont fire
2000 Cat 3126b Intermittent starting issue. Perhaps once out of a hundred it will not fire/start. It does crank as normal but just won't fire/start. No warning or problem at shut down?.… read more
C.J.
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High School or GED
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Ford: priming..acts..there an external fuel pump or whats going on
I have a ford F650 with a 3126 Cat,,,the motor will run when we pump the priming pump, but stops, acts like it runs out of fuel, we pump up the pump again and it runs until its out of fuel. Is there a… read more
KevinB
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I have a 3126B cat engine in a C8500 GMC. Truck works good
I have a 3126B cat engine in a C8500 GMC. Truck works good but every so often, maybe every 20 miles, check engine light will come on and engine shuts down. I turn key off and back on and truck restart… read more
Tim
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2000 GMC: no power, no codes, 65lbs fuel pressure.
2000 GMC 3126E engine. no power, no codes, 65lbs fuel pressure. Checked with cat. et. everything is working fine. I put a recon cly head on from cat. & that is when my problem started. I have got to h… read more
Tim
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2004 ford: diesel engine..wiring..fuel from one tank to the orther
2004 ford f650, diesel engine, wiring to check out transfer of fuel from one tank to the orther. thanks, F. T. Sicilia, Inc.… read more
catmastertech
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Classic: freightliner..off starting fluid took off fuel line..pumping
1999 freightliner classic 3406e engine wont start it will run off starting fluid took off fuel line after filter it is pumping but wont start new filter… read more
Diesel Pro
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freightliner..cat engine..it wont start unless i use starting fuild.
i have a 1999 freightliner fl70 . with 3176 cat engine. it won't start unless i use starting fuild. after the truck warms up it still won't start without a shot. the truck runs good after i get it sta… read more
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Meet the Experts:

Chris (aka - Moose)

Chris (aka - Moose)

Technician

127 satisfied customers

24 years of experience diagnosing & repairing

Tim

Tim

Foreman

338 satisfied customers

23 Years Heavy Equipment and Truck Repairs Shop and Field in the Minning and Construction Industry

Cat Man

Cat Man

Caterpillar Engine Expert

10,343 satisfied customers

23 Years Caterpillar Engine experience.

Wayne

Wayne

Journeyman

3,257 satisfied customers

34 years experiance as engine rebuild and problems.Thermo-King repair and trouble shooting.

DR.Cummins

DR.Cummins

FIELD SERVICE TECHNICIAN

2,389 satisfied customers

16 Years working on Cummins Diesel engines,

Curtis B.

Curtis B.

service manager

2,375 satisfied customers

30 years exp. with diesel engines, heavy equipment and forklifts, including lp forklifts

Don

Don

Mechanic

553 satisfied customers

35 years experience journeyman mechanic transport truck and trailer including off road equipment

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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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