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Old 05-17-2017, 08:09 PM   #1
CALE
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John Deere L100

I was cutting my grass and my John Deere L100 stopped working abruptly. I have gas. I have battery power. The engine turns over but it just makes a weird sound, aljmost like it's not getting any gas. The machine is 10 years old. Any ideas? How can I post a video?


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Old 05-18-2017, 07:03 AM   #2
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Howdy CALE, welcome to the tractor forum.

Whenever I have an engine quit abruptly as you describe, I immediately check for spark. Pull the plug and check for spark. If no spark, try a new plug. Sometimes it is very difficult to see spark jumping the gap. Go to a shaded or darkened area.

If you cannot confirm spark, pull the sheet metal covering the flywheel and check the ignition module. Pull the kill (ground) wire off of it and check for spark. Check that the gap between the flywheel and module is not obstructed with rust or debris. Use a common business card to check the gap. You may have to replace the module.


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Old 05-18-2017, 10:31 PM   #3
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Welcome to the forum,CALE.
When you say it stopped abruptly, did it stop like you turned it off, or did it stop immediately,like it locked up,or just flutter,like out of fuel ?
A couple things to check:
Fuel pump.
Take the line off the output side,and crank it over,with the hose in a jar......if fuel comes out,in pulses,it's good .
If it just dribbles,it could be a plugged filter,or a bad fuel pump(or a loss of vacuum,from the engine).
Ignition switch,and main fuse.
Check the fuse,first.
If it's good,crank it over,while wiggling the wires from the ignition switch.
If it starts,and dies,the switch is faulty.
To double check it, disconnect the switch,and jumper the starter,to crank it over.If it starts,and stays running turn the key to the "run" position,and with it still running,reconnect the ignition switch.If it dies,the ignition switch is bad.
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Old 05-18-2017, 10:31 PM   #4
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Welcome to the forum,CALE.
When you say it stopped abruptly, did it stop like you turned it off, or did it stop immediately,like it locked up,or just flutter,like out of fuel ?
A couple things to check:
Fuel pump.
Take the line off the output side,and crank it over,with the hose in a jar......if fuel comes out,in pulses,it's good .
If it just dribbles,it could be a plugged filter,or a bad fuel pump(or a loss of vacuum,from the engine).
Ignition switch,and main fuse.
Check the fuse,first.
If it's good,crank it over,while wiggling the wires from the ignition switch.
If it starts,and dies,the switch is faulty.
To double check it, disconnect the switch,and jumper the starter,to crank it over.If it starts,and stays running turn the key to the "run" position,and with it still running,reconnect the ignition switch.If it dies,the ignition switch is bad.
__________________
" I'm busier than a one-legged cat in a sandbox!
Veteran,...and proud !
"Expect the unexpected....but don't expect the unexpected to be the unexpected you expected !"
God gives only that which we can handle......Where's my Superman suit ???
I'm not a Gun Nut,....I just believe VERY strongly in the 2nd Amendment !
"I can't fix what ain't broke...you want I should break it,first??"
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