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John Deere L110 Fuel problem

B

Bill Newhart

Member
Need some sage advice on a John (near) Deere L110 start problem. Wife used it yesterday and put it in the barn last night. Would not start this AM. Spark is good, will fire initially with a wiff of starting fluid but quickly dies after wiff!! Repalced fuel filter, gas will run out of hose at carburetor but not fast. Gas will run at heavy flow with hose disconected at carb and starter turning. Choke works fine never had a problem before with this machine and has very low hours. This is a 17HP B&S engine with a "thingy" at the bottom of the carb bowl it has wires to it. Remindes me of some older carbs that had a main metering jet in the bowl base. Disconnecting the wires didn't affect anything. Then the "thingy" that allows crankcase vapors to be sucked into the intake has me suspicious since it does interrupt the fuel line. But I can't seem to find any fault with it. This sucker has me stumpted and I need to get it fixed so the wife can continue mowing the grass. Any ideas????
 
The thingy is a fuel solenoid and cuts off fuel to the carb when not charged. So when you shut off the machine, the plunger inside closes and fuel is not allowed into the bowl. It could be the culprit. Just take off the bowl and hit the key with the solenoid wired up and see if it actuates.

Otherwise, I would think you have dirt in your carburetor.
 
Thanks Steve,
That was exactly what the problem was and it seems to have been electrical. Broken wire under the engine - runs great now. Thanks again Bill
 
Just want to clarify something, seems lots of people get this confused.

that solenoid valve does NOT stop fuel from flowing into the carb bowl. with or without that solenoid, if you have a bad float or needle valve, fuel is still gonna flow into the bowl, and over flow it, with or without that little solenoid valve.

it stops fuel from flowing through the main jet into the intake and combustion chamber. The float stops fuel flow into the carb bowl. If that solenoid did it, it would be mounted up near where the fuel line conencts to the carb.

However, it still prevents the engine from starting if it doesn"t work.
 
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