Purpose of selenoid on the bottom of a carb, B&S on a Rider Mower ?

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Old 06-20-11, 08:50 AM
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Purpose of selenoid on the bottom of a carb, B&S on a Rider Mower ?

Hi Gang.
The Toro HXL 16-38 16 HP OHV briggs adn Stratton that dies after 15 -20 minutes of mowing continues to do so.
Gas good, new plug, valves adjusted and proper, new carb, oil level good.

What is the purpose of the selenoid at the bottom of the carb?
If I unplg the wire connected to it, whats the likely result if I run the mower?
When it begins to die, I stop the blades and it runs just fine, when I engage them again it wants to die again. The switch for the blades if engaged wont allow the engine to start, which is proper. Could this be culprit?
 
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Old 06-20-11, 10:12 AM
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The solenoid is to turn off the gas to the main jet so that when you shut the engine off, it doesn't pump un-burnt fuel into the muffler and backfire. If the solenoid is working, the engine will not run if you unplug the wire.

Did you check the gas cap vent and fuel flow like we mentioned in your other thread?
 
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Old 06-20-11, 10:26 AM
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Thanks Cheese, I did and I didnt have it on very tight when I last tested, I can blow air through the inlets of the cap.
 
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