Exam 4: Automotive Systems

Describe how the cooling system works.

In 1985, Congress passed the CAFE standards.

Coolant is a mixture of antifreeze and ____________________.

The ____________________ chamber is an area into which the air/fuel mixture is compressed and burned.

Describe the purpose of the lubrication system.

Two technicians are discussing an OBD II vehicle that has a flashing check engine light. Technician A says there is problem with the engine lubrication or cooling system and the vehicle must not be driven, otherwise serious engine damage will occur. Technician B says there is a severe ignition misfire and the driver should reduce speed and engine load and have the vehicle serviced as soon as possible. Who is correct?

Which of the following is NOT a typical emission control system?

On a vehicle with a manual transmission, the clutch is connected to the ______.

How does CAFE influence today's vehicles?

A torsion bar is associated with the ______.

Although the exact proper time varies with engine design, ignition must occur_____.

What component listed here is not a part of the heating system?

The motion of the piston and the rotation of the crankshaft is monitored by the _____ position sensor.

Hybrid vehicles are being discussed. Technician A says the hybrid batteries are recharged by the engine during normal driving. Technician B say the batteries are recharged when the brakes are applied as the vehicle slows down. Who is correct?

Modern engines do not use a distributor. Instead of distributors, modern engines have one ignition coil _____.

Unibody construction is typical in most modern automobiles.

What is the function of the ignition coil(s)?

An SUV can be based on either a truck or automobile platform.

How is a unitized vehicle constructed?

Technician A says a four-wheel drive vehicle uses a transfer case. Technician B says an all wheel drive [AWD] vehicle has a center differential. Who is correct?