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They preheat the air in the cylinder to make starting easier. they actually heat the diesel fuel to make starting easier

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Q: What do glow plugs do in a diesel engine?
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Related questions

Does a diesel car have plugs?

No , a diesel engine doesn't have sparkplugs It could have glow plugs


Number of spark plugs needed in a diesel engine?

none a diesel does not have spark plugs it has glow plugs and depends on the engine and if its a 350 it has 8


Where are the glow plugs on a 6.6 duramax diesel engine?

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1995 dodge ram 3500 does it have glow plugs or injectors?

Glow plugs and injectors are two different parts of two different engines. You may be referring to glow plugs or spark plugs. If you have a diesel engine, you will have glow plugs. If it is gasoline, it is spark plugs.


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Depending on model, this engine may not have glow plugs. In engines with glow plugs, they are located next to the injectors on the top of the engine, under the plastic cover.


On which type of engine would you be most likely to find glow plugs?

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What if the glow plugs misfire?

glow plugs do not fire glow plugs are used to heat the chamber where the diesel ignites diesel is not ignited by a spark diesel is ignited thru compression


How many spark plugs does an 8 cylinder diesel engine have?

It doesn't have any spark plugs but it does have 8 glow plugs.


Why my E420 Benz won't start right a way?

Because it is winter, it is cold and you have a diesel engine. They use glow plugs to help ignite diesel in cold weather. Have the glow plugs checked.


Does ford transit 2.5 diesel have glow plugs?

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Why does my Vauxhall Astra struggle to start up?

If it is a diesel engine it could be the glow plugs.


Do glow plugs in a diesel car have anything to do with the loss of power in my car?

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