Answer :
Final answer:
The two auxiliary systems present in automotive gasoline engines that are not in an automotive diesel engine are the ignition system and the fuel delivery system.
Explanation:
In automotive gasoline engines, two auxiliary systems that are not present in an automotive diesel engine are the ignition system and the fuel delivery system.
The ignition system is responsible for igniting the fuel-air mixture inside the engine's cylinders to initiate combustion. It typically consists of spark plugs, ignition coils, and a control module.
The fuel delivery system is responsible for delivering fuel from the fuel tank to the engine. It includes components such as a fuel pump, fuel injectors, and a fuel pressure regulator.
These systems are necessary in gasoline engines because they use spark ignition, while diesel engines use compression ignition to ignite the fuel.
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