How do you start a stubborn lawn mower?

Why is it so hard to start my lawn mower?

The fuel filter might be clogged. A clogged fuel filter is most commonly caused by leaving old fuel in the lawn mower. Over time, some of the ingredients in the fuel may evaporate, leaving behind a thicker, stickier substance. This sticky fuel can clog up the fuel filter and make the engine hard to start.

What do you do when your lawnmower won’t start?

If you run into problems getting your lawnmower ready for spring, try the following:

  1. Use fresh gas. Old gasoline can cause starting difficulties. …
  2. Check the spark plug. …
  3. Use the choke. …
  4. Prime the mower. …
  5. Check the air filter. …
  6. Check the cables. …
  7. Check for water in the fuel tank.
  8. Clear the starter cord of blockages.

Will a bad spark plug cause a lawn mower not to start?

A dirty or fouled spark plug can cause your lawn mower to not start. It can also work itself loose, causing issues. If the spark plug appears to be seated correctly but the engine doesn’t start, a new one may be in order.

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Can old gas cause a lawn mower not to start?

If your mower won’t start because you’ve been using old gasoline, you‘ll need to remove the old fuel and any built-up residue in the engine. … Then, if the lawn mower runs for a few seconds and dies, the carburetor might be clogged or have old fuel in the float bowl.

Why is my lawn mower turning over but not starting?

The most common reason for a riding mower cranking over but not starting, is bad gas, but other possible reasons include: Gas Valve Off. No Gas. Choke Fault.

Why do I have to use starting fluid to start my lawn mower?

If you haven’t used your mower in a while, or the engine is cold, starter fluid can help get your mower started. Starter fluid is also a great tool to help you diagnose the problem when your mower does not start.

Why is my carburetor not getting gas?

No fuel at your carburetor can be caused by many things. It could be a simple issue like a fuel filter plugged so tight that no fuel can pass through. Another logical cause could be the fuel pump. … A hole in the fuel line on the tank side could also cause the fuel pump to suck air instead of fuel from the fuel tank.

Can you start a mower without the pull cord?

You can take your pick of electric or battery-powered models, as well as gas mowers with electric starting. … If you do not have enough rope, you will need to replace it with a new one. You can take a wrench and loosen the bolt that holds this in place.

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Should I run my lawn mower out of gas for winter?

Empty the Gas Tank



Unused gas left in a mower over the winter can get stale, gumming up the carburetor and inviting rust. … (You can put this gas in your car, provided it hasn’t been mixed with oil.) Restart the mower and run it until it stops; repeat until the engine no longer starts and the fuel lines are empty.

Can it be too cold to start a lawn mower?

Cold weather is notorious for making it difficult to start lawn mowers. Even in relatively mild temperatures of 50 degrees or so, you may find it hard to start your mower. … If your lawn mower won’t start and the gas inside is from last fall, try changing the gas. Finally, another handy tip is to warm up the carburetor.

What makes a small engine hard to start?

When a small engine won’t start, the usual suspects are bad gasoline, a corroded or plugged carburetor, or a bad ignition coil.

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