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How To Change Your Spark Plugs

Worn spark plugs can be the source of a number of vehicle issues, from not starting to engine mis-firing and slugishness, compromising your vehicle's fuel economy. With the right products, tools and process - it's a job you can do yourself. In this video we'll show you how to gap spark plugs correctly, how to read a spark plug and know when to replace.

If you're engine runs rich, misfires, is sluggish or runs at high temperatures you should take a look at your spark plugs.

How to read your spark plugs to know what's happening in your engine:

  • Covered in oil - Check your valve guides and piston rings
  • Light brown cust - Caused from oil leaking in to the combustion chamber or the use of fuel additives
  • White ash on the insulator or melted electrode - This is caused from overheating or pre-ignition and should look at the timing system or picking a plug suited to correct heat range 
  • Damaged or craked insultor - Indicates detonation and could mean you're using the wrong octane fuel or incorrect timing

Spark Plug Essentials


Ignition Coils & Modules
Ignition Coils & Modules

Ignition Leads
Ignition Leads

Spark Plugs
Spark Plugs

Socket Sets
Socket Sets

Greases & Lubricants
Greases & Lubricants

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Fuel, Ignition & Exhaust

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