Keeping the battery charged.
The engine moves the vehicle.
It is noise .
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noise
The noise
The purpose of an Alternator is to periodically recharge the battery while the engine is on.
Noise !
gas
Click the link.
What is the purpose of the intake stroke
The purpose of the cylinder head is Luke Cooper
Hey Get this.. The purpose of an engine.. Is to propell and move the vehicle the motor is in lol