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post #1 of 5 (permalink) Old 10-10-2019, 06:22 PM Thread Starter
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Lawn mower won’t restart

I have a craftsman push mower with a Briggs and Stratton platinum engine.It won’t restart after I shut it off. If I spray starting fluid into the carb, it starts.
I replaced the oil, air filter, and ignition coil.
It works great except for the restart.
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post #2 of 5 (permalink) Old 10-15-2019, 09:35 PM
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You may have an engine that now has low compression....How do you perform the first cold start? Is it auto choke ? I would not use starting fluid...use carb cleaner spray..
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post #3 of 5 (permalink) Old 10-21-2019, 06:50 PM Thread Starter
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It has an auto choke. Just pull it and it runs. I used starting fluid just to try it. I don’t do it ever. I let it cool down for a while then it restarts.
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post #4 of 5 (permalink) Old 10-22-2019, 10:15 AM
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Hello Dan, here are two videos to help understand how the "auto choke" on a Briggs works. I have repaired one where the spring was missing. The thermostat seems to be a frequent problem also. Good luck, let us know what you find.





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post #5 of 5 (permalink) Old 10-23-2019, 12:52 AM
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I wish they would go back to the old fashioned manual choke lever. Full choke cold, half choke warm, no choke if still hot. No springs or thermostats to fail, and it just worked.

Mark - 2002 John Deere LT150H

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