Small Engine Troubleshooting Problems? Ask a Mechanic Now.
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Is the starter still engaged causing the engine to continue to turn over? It sounds like the starter solenoid may be sticking and not disengaging right away when you release the ignition key. The issue with the machine stopping could be fuel related. How long does it normally run prior to stopping?
It does sound like the starter solenoid may be sticking causing the engine to continue to crank over longer than what it should.
Are you getting spark to the plug? If you remove the air filter and spray carburetor cleaner directly into the throat of the carburetor will the engine start?
Normally no, but if the contacts internally are sticking then yes it could still throw voltage or power to the starter and the starter would still be spinning to start the engine.
That would explain the starter continue to spin but would not cause the engine to not get spark or start. You have other issues that is causing the engine to not start, I would find and fix that problem prior to replacing the solenoid. I wouldn't want to damage a new solenoid by trying to start an engine with issues. If the engine was starting okay and running then I would say differently but I think I would focus on why it is not starting first then move to the solenoid issue.
It sounds like the ignition coil is not firing once it gets warm or hot. Have you checked for spark when the engine dies? If not I would do so to see if you are loosing spark once the coil gets hot.
Let me know what you find.
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