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Lauren WalkerJul 30, 2025
How to troubleshoot starting issues with my MTD 410 Thru 420?
- AAngela JenkinsJul 30, 2025
If your MTD Tiller's engine won't start, several factors could be at play. Start by ensuring your fuel tank isn't empty and that you're using fresh gasoline, as fuel older than thirty days can degrade without a stabilizer. Check that the throttle control lever is in the correct starting position. Also, a blocked fuel line could be the culprit, so inspect and clean it if necessary. Other potential causes include the choke not being in the ON position (make sure the switch is on), a disconnected spark plug wire (connect it securely), or a faulty spark plug (clean, adjust the gap, or replace it).