Device used to heat the combustion chamber of a diesel engine to help the combustion process on engine start up.

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How did they start diesel engines before the glow plug was invented?

According to this Bosch page, their glow plug was developed in the early 1920's. Yet the diesel engine was around for at least 20 years prior to that; the French used it in a submarine in 1904, for ...
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Has wrong glow plug damaged piston?

I recently had the engine on my VW Golf TDI replaced with a reconditioned engine. After having start up problems for a while, I asked an independent mechanic to have a look. He found that one of the ...
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Hyundai i30, 1600 cc Difficulty starting

Hyundai i30 model 1600 cc Auto. diesel, now done 60,000 miles. About 10 months ago, I had difficulty starting the engine from cold. The temperature would have been in the 50 to 60 degree Fahrenheit ...
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Proper glow plug operation

Are glow plugs supposed to stay on after the engine has started to help with the firing of the first few revolutions?
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1answer
55 views

Issues cold starting diesel van

Our van has been progressively getting worse at starting up in the morning. It only has issues when the engine is cold. Initially I thought it might be the glow plugs. I tested their resistance and ...
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2answers
451 views

Golf MK3 battery drains, rapid clicking on start, glow plug light flashes

Does anybody know what would cause the following symptoms? I have a 1996 Golf MK3 diesel (not TDI). I drove the car with no problem three days ago. Today I went to start it, and the battery is ...
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2answers
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Just bought four BERU Glow Plugs. But they seem to have been used?

Is the color of the heated part normal for 4 glow plugs that are brand new ... ?