homepostsHow do I know if my lawn mower spark plug is bad?

How do I know if my lawn mower spark plug is bad?

Dennis WaldenSep 13, 2021

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.

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Also know, when should I change my lawn mower spark plug?

Replace spark plugs as often as is recommended by the manufacturer.

  • Change spark plugs at the beginning of every mowing season (in the spring) and/or every 100 hours of use.
  • Use the same spark plugs recommended by the manufacturer of your lawn tractor or push mower.
In this regard, will a bad spark plug cause a lawn mower to stall? Faulty spark plug warning signs

The engine misfires or runs rough. The engine starts, but stalls shortly after. There is a noticeable increase in fuel consumption during normal equipment use.

Considering this, can you clean spark plugs with wd40?

Using WD-40 to repel water from spark plugs, distributors, alternators, and batteries is a good way to prevent corrosion and keep moisture away. You can also use it to ease the removal of spark plugs, especially if there is any rust or corrosion.

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About The Author

Dennis Walden

Dennis owns a small farm and loves to grill since his early childhood. He’s a professional cook, but hiking and enjoying the great outdoors is his no less favorite part of life.