Diesel Glow Plugs Replacement

diesel glow plugs replacement e-car

Diesel Services
Expert Diesel Glow Plugs Replacement

It is possible to start a warm diesel engine without using a glow plug, or in warm climates, thanks to the relatively high temperature of the intake air and the relatively low ignition temperature of diesel. However, this isn’t enough to ensure proper ignition of the injected fuel in all temperatures, which results in increased exhaust emissions. A diesel glow plug solves this issue. It is an electrical heating device located in each cylinder of the diesel engine that ensures reliable starts in all weather conditions.
diesel glow plugs replacement e-car

Expert Diesel Glow Plugs Replacement

It is possible to start a warm diesel engine without using a glow plug, or in warm climates, thanks to the relatively high temperature of the intake air and the relatively low ignition temperature of diesel. However, this isn’t enough to ensure proper ignition of the injected fuel in all temperatures, which results in increased exhaust emissions. A diesel glow plug solves this issue. It is an electrical heating device located in each cylinder of the diesel engine that ensures reliable starts in all weather conditions.

Diesel glow plugs diagnosis

How do diesel glow plugs work?

Unlike a spark plug that is working continuously while you drive, glow plugs are only needed during the ignition process. The glow plugs work by electrifying the heating element so it heats up and emits visible light (hence the name). Intake air is compressed before the fuel injector spray directs fuel onto the hot tip of the glow plug during the injection of the fuel. The injected fuel mixes with the compressed air to evaporate and start combustion almost simultaneously, even when the engine is cold.

Do the glow plugs stay on whilst the engine is running?

Unlike a spark plug that is working continuously while you drive, glow plugs are only needed during the ignition process. The glow plugs work by electrifying the heating element so it heats up and emits visible light (hence the name). Intake air is compressed before the fuel injector spray directs fuel onto the hot tip of the glow plug during the injection of the fuel. The injected fuel mixes with the compressed air to evaporate and start combustion almost simultaneously, even when the engine is cold.

How long do glow plugs last?

Unlike a spark plug that is working continuously while you drive, glow plugs are only needed during the ignition process. The glow plugs work by electrifying the heating element so it heats up and emits visible light (hence the name). Intake air is compressed before the fuel injector spray directs fuel onto the hot tip of the glow plug during the injection of the fuel. The injected fuel mixes with the compressed air to evaporate and start combustion almost simultaneously, even when the engine is cold.
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Diesel Service

Black smoke

Black smoke is an imbalance in the fuel mixture. Too much fuel and not enough air. There is too much fuel added to the mix and not enough oxygen to burn the fuel correctly. The timing also may be advanced as opposed to retarded. Get a timing light attach it and rotate your distributor until the timing is correct.

White smoke

There is not enough heat to burn the fuel. The unburnt fuel travels through the exhaust and comes out the back tailpipe as white smoke. A damaged or faulty glow plug module can cause white smoke on engine startup. If the engine has warmed up and there is still white smoke then there may be one or more bad injectors, retarded timing, or a worn injector pump.

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Diesel Services

A diesel engine can be more efficient, better for the environment and cheaper to run than its petrol-powered counterpart.

Diesel engines still need regular servicing though to keep it running at an ultimate level and to help make sure nothing goes wrong. Our technicians are fully qualified to service and repair diesel vehicles.

e-CAR – your one-stop diesel repair and servicing specialists!

Interesting reading…
How are diesel and petrol engines different?
The main difference between diesel and petrol engines is that petrol engines use spark plugs to ignite the air-fuel mixture, while diesel engines rely solely on heavily compressed air. It is a fact that diesel engines produce more low-end torque and are therefore more powerful.

Difference between petrol and diesel engines
Apart from the type of fuel used, we also know that lighter vehicles such as motorcycles, scooters, and cars typically use petrol in their engines whereas diesel is typically used in much heavier machinery such as tractors, trucks, and buses. Thus, the types of fuel used also plays a major role in defining the major difference between petrol and diesel engines.

More differences between these types of engines are listed in the tabular column below:

Diesel Engine
These engines work on the Diesel cycle
The fuel is mixed with air inside the cylinder
Ignition is achieved with the help of the hot, compressed air
High compression ratio
High power production
These engines work with fuels that have low volatilities
Generally used in heavy vehicles such as trucks and buses
Relatively low fuel consumption
High initial and maintenance costs
Petrol Engine
Works on the Otto cycle
Air and the fuel are mixed in a carburettor
Fuel is ignited with an electric spark
Relatively low compression ratio
Relatively low amounts of power are produced in a Petrol engine
Highly volatile fuels are used in these internal combustion engines
Used in light vehicles such as motorcycles and cars
High fuel consumption
Comparatively low initial cost and maintenance cost

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