The __________ controls the opening of the engines valves

• Camshaft

• Crankshaft

• Valve springs

• combustion chamber

All of the following are major components of the computer system except

• caliper

• sensors

• actuators

• computer

Radiator and other components that allow a coolant to circulate and maintain a constant engine operating temperature. Cooling systems are also necessary to control operating temperatures of a HV battery, motor-generator, or HV ECM circuit in hybrid/electric vehicles.

• Front wheel drive vehicle

• Exhaust system

• automobile

• cooling system

Ratio by weight between the air and fuel that makes up an engine's fuel charge.

• drive train

• air-fuel ratio

• HV battery

• lighting system

Vehicle design in which the body is installed over the frame and held in place by large bolts. This design is still used on some large passenger cars, larger vans, pickup trucks, and sport utility vehicles.

• Body

• HV power control module

• Body over frame construction

• unibody construction

Components that produce a spark to ignite the air-fuel mixture in the engine.

• ignition system

• suspension system

• semi-automatic transmission

Electric and electronic devices that control specific vehicle systems.

• suspension system

• front-wheel-drive vehicle

• all-wheel drive

• Computer system

System that consists of a battery, alternator, drive belt, voltage regulator, charge indicator, and charging harness. The job of the system is to reenergize the battery as the engine is running and provide electricity to the various vehicle electrical systems.

• Track width

• semi-automatic transmission

• charging system

• vehicle height

System that uses pressure from an electric or mechanical fuel pump to spray fuel into an engine's intake manifold (multiport or manifold injection) or its combustion chambers (direct injection).

• gasoline injection system

• computer system

• track width

• air-fuel ratio

Who makes the best trucks ever made

• Ford

• Dodge

• GMC

• Toyota