What is the function of a diesel fuel injector?
The injector sprays fuel into the combustion chamber, ensuring proper atomization for efficient combustion.
What role does a glow plug play in a diesel engine?
Glow plugs heat the air in the combustion chamber to assist in cold starting conditions.
Which component stores and supplies diesel fuel to the engine?
The fuel tank stores diesel and sends it through the fuel lines to the engine's fuel system.
Why is diesel fuel filtration critical in engine systems?
Fuel filtration removes contaminants that could damage injectors and reduce engine efficiency.
What is the purpose of a diesel fuel return line?
The return line redirects excess fuel back to the tank, reducing pressure and cooling the system.
What type of combustion is used in diesel engines?
Diesel engines rely on compression ignition, which ignites fuel due to high pressure and temperature.
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What does a common rail fuel system do?
A common rail system delivers consistent high-pressure fuel to each injector electronically.
Which emission system component reduces nitrogen oxides (NOx) in diesel engines?
The SCR system uses diesel exhaust fluid (DEF) to chemically reduce harmful nitrogen oxides.
What is a symptom of air in a diesel fuel system?
Air in the system can cause hard starting, rough idling, or engine misfiring.