L3301- Fuel lift pump operation after engine shut down

JasAZ

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Equipment
L3301
Mar 27, 2024
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Arizona
On an L3301 how long should the lift pump operate after shutting the engine off with the key? Is it different with a non-oem pump? Or is there a timer or some kind of relay that continues to operate the pump for a pre-set amount of time? Apologies for asking questions for which answers are probably in the forums but my search was unproductive.
 

whitetiger

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Equipment
Kubota tech..BX2370, RCK60, B7100HST, RTV900 w plow, Ford 1100 FWA
Nov 20, 2011
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Kansas City, KS
I have never timed one, but probably 5 to 10 seconds. The ECU runs it to purge the system for some reason.
 
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