Frequent question: Why is my Toro lawn mower not starting?

What causes a Toro lawn mower to not start?

A dirty air filter prevents air from reaching the mower’s carburetor, and this can cause a Toro mower not to start. Air filters trap dust and dirt to keep the engine running cleanly, but they need replacing each year or even more frequently if they become clogged.

How do you get a lawn mower started that won’t start?

Your Mower Won’t Start:

  1. Loose, Dirty or Disconnected Spark Plug in Your Lawn Mower: Check it out, clean off debris, re-connect and tighten.
  2. Dirty Air Filter: Clean or replace.
  3. Fuel Not Reaching the Engine: Tap the side of the carburetor to help the flow of gas. If this doesn’t work, you might need a new fuel filter.

How do you start a Toro lawn mower?

How to Start Toro Lawn Mowers

  1. Press the rubber primer bulb on the side of the mower engine three times. …
  2. Pull and hold the safety bar near the top of the handle. …
  3. Grip the handle of the starter rope and pull with a rapid movement. …
  4. Place the ignition key in the keyhole on the Toro lawn mower.
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How do I know if my lawn mower spark plug is bad?

Here’s How to Know if a Lawn Mower Spark Plug is Bad

  1. You can’t get the engine to fire up at all.
  2. You have to tug extra hard for longer than usual on the rewind.
  3. Your lawn mower loses power while moving.
  4. The gas runs out quicker than it used to.

Why does a lawn mower start then stop?

The carburetor might be clogged. A clogged carburetor is most commonly caused by leaving fuel in the lawn mower for a long period of time. … This stops the flow of fuel to the carburetor causing the engine to stall. To determine if the fuel cap vent is clogged, try slightly loosening the cap and then starting the engine.

Can a dirty air filter cause a lawn mower not to start?

Your lawn mower’s air filter guards the carburetor and engine from debris like grass clippings and dirt. When the air filter becomes clogged or too dirty, it can prevent the engine from starting.

How does electric start mower work?

Electric-start mowers have no crank cord. An electric start lawn uses an electric starter rather than a manual crank cord to initially turn the engine. … The electric starter is driven by a small electric motor actuated by a solenoid that cranks the flywheel, which then begins the process of ignition.

Can you clean a carburetor without taking it apart?

Cleaning a carburetor without removing it is fine. However, it can and should never replace the wholesome cleaning exercises. This is because it does not impact the entire length and breadth of the engine as should be the case.

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How do I know if my lawn mower carburetor is bad?

Dirty Carburetor Symptoms

  1. The lawn mower engine has trouble starting.
  2. The engine starts but stalls while you’re cutting the lawn.
  3. The engine runs rough during mowing.
  4. Black smoke is seen coming out of the muffler.
  5. There is a noticeable increase in fuel consumption during normal lawn mower use.