Craftsman Lt2000 19.5hp Riding Mower Won't Fire?

I've been jumping my mower off the starter and it has started fine. But after I added gas it started, shuddered, and then died. The engine spins and acts like it wants to start, but simply has not fired since. I am thinking bad gas? Should I drain the gas or try an additive? It only ran for maybe 3-5 seconds before cutting off.


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Silver Post Medal for All Time! 255 Posts
July 22, 20170 found this helpful

Could be bad gas, or clogged fuel line or dirty air filter. Choke is open?

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July 23, 20171 found this helpful

Hi, does the tractor have a battery properly installed? The reason being, there is a fuel shutoff solenoid located on the carburetor that requires 12 volts to open and allow fuel to enter the engine. Jumping directly to the starter will not provide electricity to that solenoid, therefore, the engine isn't getting gas. Try jumping directly to the battery cables so the electricity is supplied to the system and opens the fuel shutoff solenoid. If you have an ignition switch, safety switch or starter solenoid issue causing the starter to not engage via the ignition switch, install a battery and be sure the ignition is working properly and providing electricity to the fuel shutoff solenoid.


As a last resort, you can remove the fuel solenoid from the bottom of the carb, making sure to clamp off the fuel line first, and cut the needle off that prevents the fuel from getting through the main jet and into the air stream. Be sure you have spark at the plug and if not you will need to unplug the ground wire that goes to the coil. Hope this helps.

Kevins Small Engine, 03908

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July 25, 20171 found this helpful

Thank you for your advice! Actually I DID have a loose battery cable I found, when I accidentally came across it! After I checked my fuel and it was clean as a whistle, no water. I thought maybe fuse. Lifted my seat then noticed the cable.


You're VERY good because I haven't seen or talked to ANYBODY who mentioned the battery. And I've watched more videos & talked to more Sears ppl than I care to for awhile!

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February 11, 20180 found this helpful

Glad I could help.

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June 7, 20220 found this helpful

LT2000 will not start no fire from spark plugs

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