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My lift stopped running after it was operating fine for

Customer Question
My lift stopped running...

My lift stopped running after it was operating fine for about 20 mins. Fuel is getting patssed the filter but still sounds as it is not getting fuel to it. Its a ford 4 cyl.. could it be a bad injector?

Mechanic's Assistant: What is the complete model and serial number of your machine?

400 SJ S/N(###) ###-####

Submitted: 4 months ago.Category: Industrial Equipment
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Customer reply replied 4 months ago
Posted by JustAnswer at customer's request) Hello. I would like to request the following Expert Service(s) from you: Live Phone Call.
Customer reply replied 4 months ago
Let me know if you need more information, or send me the service offer(s) so we can proceed.
Customer reply replied 4 months ago
correction it is a 2002 JLG Boom Lift Model 400S and S/N(###) ###-####
Answered in 15 minutes by:
3/14/2018
Mechanic: Don, Fleet Manager replied 4 months ago
Don
Don, Fleet Manager
Category: Industrial Equipment
Satisfied Customers: 1,746
Experience: i am a canadian licenced mechanic with over thirty years experience
Verified

Hi there my name is don i will try to help you on this

But first i need to ask you some questions you will not be charged during this part of the question period

can i have the Make and model of the lift please and the year

?

lets start there

Don

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Customer reply replied 4 months ago
2002 JLG Boom Lift Model 400S and S/N(###) ###-####
Mechanic: Don, Fleet Manager replied 4 months ago

Hi there

Thanks for that information

i will get right back to you

Don

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Customer reply replied 4 months ago
ok
Mechanic: Don, Fleet Manager replied 4 months ago

hi there i am loading up your service manual while it loads

is there any codes coming up ?

?

when was the last time the fuel filter was done ?

did you check all fluid levels ?

do you have a service manual for your unit ?

if not did you want a copy ?

Don

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Customer reply replied 4 months ago
fluid levels are good and just had an annual inspection done 2 months ago
Customer reply replied 4 months ago
I do have a manual
Customer reply replied 4 months ago
no codes
Mechanic: Don, Fleet Manager replied 4 months ago

hi there thanks for that the manual is 425 pages so it might take a bit

ok thanks for that

have you tried to bleed the system ?did you recently fill up before it quit ?

Gas or propane unit ?

Don

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Customer reply replied 4 months ago
it has over I/2 tank of fuel. I disconnected the fuel line from filter on both sides and there is fuel. could it be the fuel pump?
Mechanic: Don, Fleet Manager replied 4 months ago

Hi there

yes it could be the pump but first we will do a couple of things to verify the source

no codes would indicate that all sensor are with in the correct perimeter

since no codes has come up the failure is mechanical at this point

did you try a little starting fluid to see if it fires

you could check at the injectors i see the line on the outside of it

lets verify that to rule out the ignition module are you near the machine ?

i am still going through the book sorry

Don

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Customer reply replied 4 months ago
where to spray because I don't see a carb?
Customer reply replied 4 months ago
spray it down the intake where the air filter is?
Mechanic: Don, Fleet Manager replied 4 months ago

hi there in the air breather

no much though just enough to see if it fires

also where did you get the fuel from

yes

is it gas or diesel ?

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Customer reply replied 4 months ago
Gas
Customer reply replied 4 months ago
No luck, sprayed it up breather
Mechanic: Don, Fleet Manager replied 4 months ago

Hi there ok no problem

i am still in the manual

there is a fuel pump relay on the unit did you check that

Don

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Customer reply replied 4 months ago
Where is the relay?
Mechanic: Don, Fleet Manager replied 4 months ago

Hi there

there are 3 relays together

looks like it is just above the Filter

the farthest one to the back is the fuel pump relay

the next one toward the front of the engine is the power relay and the next one toward the front is the start relay

Don

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Customer reply replied 4 months ago
How do you check it?
Mechanic: Don, Fleet Manager replied 4 months ago

hi there if the pump is running you should hear it

for a secound

did it quit like it ran out of fuel or die like electrical instant

don

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Customer reply replied 4 months ago
it quit like it ran out of fuel
Mechanic: Don, Fleet Manager replied 4 months ago

hi there you will have to use a meter or test light

also see if it is hot to the touch

those relays are linked to the ecm and it tells the relay to start the pump and monitors the fuel pressure at the same time

.

Great thanks for that update

i am thinking either the relay or the pump

i would try the relay first and see if that cures your problem

since you have no codes so it should be one of the two

have a great day

Don

Please use the star rating system at top of page so I get credit from the web site for my time,
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Mechanic: Don, Fleet Manager replied 4 months ago

hi there

If you have any follow up questions , please do not hesitate to ask ,

If finished, please take a moment to rate my service,

It has been my pleasure to assist you

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