What Should I Try When My Mower or Tiller Engine Won’t Start?

Reader Contribution by Staff
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What should I try when my mower/tiller engine won’t start?

There are several ways to approach this common problem.

The number one reason small engines don’t start is that they are out of fuel. Be sure the tank isn’t empty and the fuel shutoff (if equipped) isn’t closed. Once you are certain (or pretty certain) fuel is getting to the carburetor or injection system (turn the engine over and check for gasoline fumes in the exhaust) you should check the ignition system.

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