Air In Fuel Line?

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bradleyj

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Joined
Apr 30, 2010
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13
All of a sudden, the engine in my L865 will run for exactly 34 seconds after starting up in the morning and then die. No sputtering or stumbling; it runs perfectly for 34 seconds and then dies as if I shut the key off. I can immediately restart it and it starts and runs perfectly for 34 seconds again and then dies. After I do this about a dozen times the engine runs smoothly from that point on. If I turn it off and then restart it through the course of the day it continues to run fine. If it sits overnight I have to go through the same multiple start cycles to get it to run again. It's sure acting like there's air slowly leaking into the fuel lines. Has anyone had a similar problem? Any idea where to start looking?
 
well anything beyond the lift fuel pump (if you have one) is got pressure on it so you should see that, maybe get a electric fuel pump and place it at where the fuel comes out of the tank ,so you should be able to pressurize the whole fuel line. just a idea.
 
well anything beyond the lift fuel pump (if you have one) is got pressure on it so you should see that, maybe get a electric fuel pump and place it at where the fuel comes out of the tank ,so you should be able to pressurize the whole fuel line. just a idea.
It seems to me that if it was a fuel issue it should surge, or slow down, sputter etc. Abruptly shutting down seems more like a controller issue, especially given the 34 second time frame. Leaks are seldom that precise.
I'd look for something that might be sending a shutdown command to the fuel solenoid.
 
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