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  #11  
Old 08-20-2016, 10:16 AM
Mike McKown Mike McKown is offline
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Originally Posted by Sam Mac View Post
I've seen a couple CH's do that. They tend to run warm. When you shut them off after working hard the heat get's the carb warm and the gas in the float bowl starts to boil. Also possible you have some buildup on the cooling fins.
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Originally Posted by nkeel8106 View Post
Just doing some digging online. Anyone think this may be a fuel Solenoid issue?
I thought it was a fuel solenoid at one time. Finally ruled it out. I also thought it might be low voltage going to the solenoid at one time.

I don't have the tin in place between the engine and the battery. Some say that will cause the engine to run hot which will heat the fuel.

I have also read to shut the engine off hot at full throttle as idling the engine before you shut it off makes the engine hotter. Don't know.

I have two other Commands and neither of them have had this problem.
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  #12  
Old 08-20-2016, 11:23 AM
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nkeel8106 nkeel8106 is offline
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If I understand it correctly the fuel solenoid does not cut the fuel off at low throttle when idling. Only at 3/4-Full throttle. So, perhaps I should idle it for a time to cool down and then return to 3/4 throttle and shut it down there preventing fuel from dumping in the carb? Please anyone correct me if I am wrong with how the fuel solenoid works.
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  #13  
Old 08-20-2016, 11:25 AM
J-Mech J-Mech is offline
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Fuel solenoid is electric. Throttle position has NO EFFECT on it.
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Old 08-20-2016, 11:59 AM
Mike McKown Mike McKown is offline
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If my engine hadn't straightened itself out (for now) my next step was going to be to pull the top off the carb and check fuel level in the float bowl and see if the fuel solenoid was retracting like it's supposed to.

You could try the same to check out the "gasoline evaporation" theory.
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Old 08-20-2016, 12:11 PM
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Shotgun Wedding Shotgun Wedding is offline
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Fuel solenoid is electric. Throttle position has NO EFFECT on it.
Yes and no, not a blanket statement for all. For the engine discussing here, JMech is prob right. For the newer commands such as the CH680, shut off solenoid shuts off only high speed circuit fuel, idle circuit is not affected thus if shutting off a hot engine at idle, it will run-on. The manual suggests high throttle position shut off, I use mid throttle and it works. Weird, dumb design.
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Old 08-20-2016, 12:23 PM
Mike McKown Mike McKown is offline
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Something I didn't mention about my situation. When I turn the key off, the ignition doesn't ground and kill the spark. The engine shuts off after the solenoid closes and shuts the gas off to the engine so it does control low speed fuel feed. CH 18/20.
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