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Reload this Page LT 46 just quit starting
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Old 03-07-2022, 11:25 AM
Shadowfax419 Shadowfax419 is offline
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Default LT 46 just quit starting
Hey folks, I've got a 2018 46 that just quit starting. It is getting gas and spark on both plugs. The air filter is clean and I tried bypassing the seat safety switch. I'm stumped. Any ideas? Thanks in advance for the help!
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Old 03-07-2022, 12:09 PM
West Valley G West Valley G is offline
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If you could help us out with a little more info that will make it easier to
help you. Like is there no power at all? Does it crank over but won't fire?
Are you sure that the battery has full charge?
There is more then likely all kinds of safety switches on it. Like brake, PTO,
seat, maybe even the chute. Don't know the particulars of that machine.
Do a little research and let us know what you find.

Ken
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Old 03-07-2022, 12:37 PM
R Bedell R Bedell is offline
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I've got a 2018 46
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Old 03-07-2022, 06:46 PM
Shadowfax419 Shadowfax419 is offline
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My bad... should have been more precise. It's an XT1 mower. It turns over fine, battery is charged. It ran and cranked fine until I shut it off. Went to crank it a few minutes later and it just turns over. I pulled the plugs and checked for spark, both have a strong one. Pulled the fuel line from the carb side of the pump and have solid fuel flow. New air filter...
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Old 03-07-2022, 06:55 PM
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Farmall450 Farmall450 is offline
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Originally Posted by Shadowfax419 View Post
My bad... should have been more precise. It's an XT1 mower. It turns over fine, battery is charged. It ran and cranked fine until I shut it off. Went to crank it a few minutes later and it just turns over. I pulled the plugs and checked for spark, both have a strong one. Pulled the fuel line from the carb side of the pump and have solid fuel flow. New air filter...
That's weird. Normally when they randomly stop it's something electrical, which would have killed spark. I assume your tractor has the Kohler 18HP Courage?
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1282 | 44C Deck, Chains, 42" Blade, Cast Weights, 020" Over K301 * 1711 | 50C Deck, #1 Rear Rototiller w/ Extensions, Sleeve Hitch, KT17S Series II 24302 --> CH18S * 1811 | 46 GT Deck, 42" Blade, Chains, M18 Magnum, Sleeve Hitch * 1782 | 60" #375 Deck, Kubota D640 Diesel * 1862 | #450 Snowblower, M18 Magnum * 782 | Y/W KT17 Series II, Sleeve Hitch * 984 | Y/W Onan/Linamar 20HP, Sims Cab, CAT 0 3 PT w/ Rear PTO, 60" #374 Deck
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Old 03-07-2022, 08:19 PM
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guyina4x4 guyina4x4 is offline
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Carb has a solenoid that requires 12v

If engine is turning over its not a safety switch.
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Old 03-07-2022, 08:41 PM
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Billy-O Billy-O is offline
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Carb has a solenoid that requires 12v
That has to be the BINGO answer. Solenoid could also be malfunctioning.
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Old 03-08-2022, 07:01 AM
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ironman ironman is offline
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also
1. crap blocking carb needle inlet....
2. carb float needle stuck closed....
3. flywheel key sheared....

Squirt some gas in the carb throat, crank,
if it fires and dies you've got a fuel problem.
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Old 03-08-2022, 09:32 PM
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Farmall450 Farmall450 is offline
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also
1. crap blocking carb needle inlet....
2. carb float needle stuck closed....
3. flywheel key sheared....

Squirt some gas in the carb throat, crank,
if it fires and dies you've got a fuel problem.
Can't say I've ever seen a sheared flywheel key on anything that's not directly driven off the crank (e.g. pushmower). It's tough to diag, though.
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1282 | 44C Deck, Chains, 42" Blade, Cast Weights, 020" Over K301 * 1711 | 50C Deck, #1 Rear Rototiller w/ Extensions, Sleeve Hitch, KT17S Series II 24302 --> CH18S * 1811 | 46 GT Deck, 42" Blade, Chains, M18 Magnum, Sleeve Hitch * 1782 | 60" #375 Deck, Kubota D640 Diesel * 1862 | #450 Snowblower, M18 Magnum * 782 | Y/W KT17 Series II, Sleeve Hitch * 984 | Y/W Onan/Linamar 20HP, Sims Cab, CAT 0 3 PT w/ Rear PTO, 60" #374 Deck
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Old 03-09-2022, 07:38 AM
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ironman ironman is offline
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Can't say I've ever seen a sheared flywheel key on anything that's not directly driven off the crank (e.g. pushmower). It's tough to diag, though.
You're the expert so,
All readers, please disregard my input.
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