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HOW DO GLOW PLUGS WORK?
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No matter how you look at it, car technology has come on leaps and bounds
over the past decades. And, while some of these advances are immediately noticeable and
appreciated, such as electric windows and smoother suspension systems, others, like glow
plugs, are hidden under the bonnet and forgotten about unless something goes wrong. This
shouldn’t be the case. <a href="http://www.shuangsongcn.com/heat-glow-plug/"
target="_self">Heat glow plug</a> technology has significantly improved, with BERU, for
example, dramatically improving the time it takes to start your diesel car – especially on
cold mornings.
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So, let’s appreciate the hidden and take a look at BERU glow plugs – what
are they, the different types available and how they compare to the competition.
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What is a glow plug?<br style="box-sizing: border-box;"/>
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To get started, we need to go back to basics: what is a glow plug? And,
what does a glow plug do?
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A glow plug is a heating element that heats incoming fuel and air to
encourage efficient fuel combustion in a diesel engine. The fuel combustion starts your
engine so that you can drive. Each cylinder of your engine has one glow plug, either in the
pre-chamber (pre-chambered engines) or in the combustion chamber (direct-injection
engines).
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GLOW PLUG SYSTEMS
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The starting process of an engine heavily influences the exhaust gas values
of a vehicle. Together, glow plugs and their connected components (glow plug control
modules, glow plug relays and glow plug combustion sensors) play an important role in
reducing emissions helping to protect the environment.
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<a href="http://www.shuangsongcn.com/" target="_blank">Glow plug</a> is
specialized heating devices used to aid in the starting of diesel engines. They are similar
to spark plugs in design; however, they differ in their primary function. Instead of
producing a timed spark to ignite the fuel mixture, like spark plugs do, glow plugs simply
serve to produce additional heat that aids the diesel engine combustion process
during cold starts.
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Diesel engines rely entirely on the heat generated by cylinder compression
to ignite the fuel mixture. When glow plugs begin to fail, this additional heat that
aids the combustion process is gone, and the engine may become more difficult to start,
especially in cold weather.
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Another symptom of faulty glow plugs is black smoke being
observed during start up, indicating the presence of unburned fuel due to an incomplete
combustion process. In this guide, we will cover how to test the resistance of glow plugs
to determine if they are functioning properly.
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<h2 id="part-1-of-1:-testing-your-glow-plugs">
Part 1 of 1: Testing your glow plugs
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