What is the primary function of a vehicle's alternator?
The alternator converts mechanical energy into electrical energy to charge the battery and power electrical systems.
Which component is responsible for converting reciprocating motion into rotational motion?
The crankshaft converts the up-and-down motion of pistons into rotational motion to drive the wheels.
What is the purpose of a serpentine belt?
The serpentine belt drives multiple engine accessories like the alternator, power steering pump, and AC compressor.
Which sensor helps determine the proper air-fuel mixture?
The oxygen sensor monitors exhaust gases to help the ECM adjust the air-fuel ratio.
What is the function of a torque converter in an automatic transmission?
The torque converter transfers engine power to the transmission while allowing the vehicle to come to a stop without stalling.
Which component provides power steering assist in most modern vehicles?
Electric power steering systems use an electric motor rather than hydraulic pressure.
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What is the purpose of wheel bearings?
Wheel bearings allow smooth rotation with minimal friction while supporting the vehicle's weight.
Which system uses CAN bus communication?
Modern vehicle systems use Controller Area Network (CAN) bus for electronic communication.
What does a faulty ignition coil typically cause?
A bad ignition coil often leads to misfires due to inadequate spark energy.