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How to Repair a Stalling Weed Eater Engine


by DoItYourself Staff

what you'll need

  • Gas powered weed eater
  • Air filter
  • Set of screw drivers
  • Spark plug
  • Fuel rubber tubing
  • Brush
  • Soap and water
  • Rag
  • Working gloves

Your weed eater engine can sometimes choke and die while in use. However, more often than not, you can easily revive your stalling weed eater engine and bring it back to life. Gas powered weed eaters are more durable and relatively easier to repair than electric powered models. To get your gas powered weed eater running, here is what you need to do.

Step 1 – Check out the Condition of the Engine

There are a number of reasons why your gas powered weed eater will choke and stall while in use. Dirty filter, low fuel level, faulty electrical system and other reasons may prevent your engine from starting. To determine the source of the problem, try to turn your weed eater on and see if you can hear any activity in the engine. If you have a pull string weed eater, pull the string and see if the engine reacts or attempt to start. On the other hand, if you have one of those newer models with on and off switches, simply switch the engine on. A frozen engine may be difficult to start but an engine that sputters before it dies is easier to deal with.

Step 2 – Remove the Filter

Before anything else, you need to check the air filter of your weed eater. This part is one of the most fickle; if it is wide open, your engine gets too much air and chokes and if it is tightly closed, no air will pass through it so your engine stalls. To make sure that your engine gets just enough air to stay alive, install the filter properly. After setting the filter, turn the weed eater on and see if it continues to choke. If it runs smoothly, then you are in business. If not, you will need to check the other parts of the weed eater for possible problems.

Step 3 – Check the Fuel

If your weed eater coughs and sputters then dies, there is a big possibility that you have run out of fuel. To see if you have enough fuel, check the fuel gauge of your machine. If there is still a lot of fuel but the machine won’t start, check out the fuel tubing. Sometimes, the fuel tubing can be disengaged by accident or it may be damaged such that your engine is deprived of its source of energy. Replace the damaged tubing.

Step 4 – Check the Spark Plug

A corroded, damaged or improperly installed spark plug may prevent your engine from starting. Replace the corroded spark plug with a new one and make sure that all electrical connections in your engine are working well.

Step 5 – Check the Screws

The high and low screws of your weed eater can be the root of your problems. Make sure that the high and low screws are in their positions. Try to adjust the high and low screws at half turns in the opposite directions and see what happens. Usually, the engine starts when you hit the right setting.

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