2016 Turf Tiger hard to start

JW 1

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Joined
Apr 14, 2012
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Hello,
2016 Turf Tiger purchased used with new Kohler engine, which is now about 4 years old. Personal use only.
kohler ECH749-3063
turn the key on I can hear the fuel pump turn on and the mower starts fine. Turn the mower off then try to restart and no pump sound and no start. if I let it set for several hours or over night the same sequence starts over again.
when it does run it feels sluggish and low on power.

1: Shouldn’t the pump run every timeI turn the key on?

The error codes are: 0230 fuel pump low voltage or open
0337 crank shaft position
0174: lean fuel at high load

I replaced relay under the key switch area. Which is the only relay I can find on the wiring diagram.
Thanks!
 
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