john deere 430 diesel wont stay running

   / john deere 430 diesel wont stay running #1  

mmmend

New member
Joined
May 21, 2012
Messages
3
Location
monroe ny
Tractor
john deere 430 diesel
I have a john deere 430 diesel lawn tractor. it starts up and dies. Wont stay running. Any advice or suggestions? I put a new fuel pump and fuel filter on it.
 
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   / john deere 430 diesel wont stay running #2  
:welcome: to the forum

How long does it run before it dies? a minute, or less, or more?

What is the history of the tractor, the fuel, the storage time, etc. ??
 
   / john deere 430 diesel wont stay running
  • Thread Starter
#3  
i put new fuel in it
it runs for only a second or 2
when i get it running it stays at best a minute or 2
and slowly looses power and dies
no air in system?
I also put new o rings in injector pump. they were leaking
 
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   / john deere 430 diesel wont stay running #4  
So the injector pump can be serviced with new O rings?

Is this the 3 cyl Yanmar diesel?

Is the fuel pump that you put on new the transfer pump from the fuel tank.

Sounds like you wil need to test the fuel flow from tank, from transfer pump, and from the fuel filter as well as after the fuel injectot pump. Somewhere in there it must be stopping the flow or pressure.
 
   / john deere 430 diesel wont stay running
  • Thread Starter
#5  
yes to o rings
yes to engine
yes to pump
flow good at all 3 locations untill she shuts off
sometimes i need to reprime
sometime air
sometimes flow is good
 
   / john deere 430 diesel wont stay running #6  
I am having a similar problem .....It is a year later, did you ever fine the problem?
 

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