Learning how to test glow plugs ensures your diesel engine remains reliable and efficient. Here is how to test glow plugs.

Traditional gasoline engines have spark plugs, but diesel engines have something a little different, called glow plugs. How many do you need for your diesel?

Diesel engines require on heated and compressed air to run efficiently. Glow plugs and intake heaters help make that happen, but how do they work?

Diesel engines ignite the air/fuel mixture with heat generated by friction and compression, while gasoline engines use the heat caused by a spark from a spark plug. That's why diesel engines are ...

The Check Engine light may come on as a result of the potential failure of the defective glow plug the affected 2020 GMC Sierra 1500 trucks were produced with.

Diesel engines don’t have spark plugs; instead, they use the super-heated air created by their high compression ratios to ignite the diesel fuel as it’s injected into the cylinder.

Traditional gasoline engines have spark plugs, but diesel engines have something a little different, called glow plugs. How many do you need for your diesel?