WHAT ARE EMISSIONS?
CAR404 Video
Explains the differences between carbon monoxide, hydrocarbons, and oxides of nitrogen. Describes photochemical smog and how it is formed. Describes auto pollution and how it affects the environment. Introduces temperature air inversions. 19 mins.

MECHANICAL EMISSION CONTROLS
CAR405 Video
Describes the precombustion and postcombustion approaches to emission controls. Explains valve timing and its effect on emissions. Introduces positive crankcase ventilation (PCV), evaporative emission controls (EECS), exhaust gas recirculation (EGR), air reaction (AIR), and catalytic converters. 20mins.

ELECTRONIC EMISSION CONTROLS
CAR406 Video
Describes the integration of electronic controls to emission systems. Details the role of the computer as an emissions control center. Describes the operation of the oxygen sensor. Explains speed density vs. mass air flow sensing of incoming air. Introduces electronic ignition timing controls and open and closed loop operation. 18mins.

TROUBLESHOOTING EMISSION CONTROLS DEVICES
CAR407 Video
Introduces the detection and diagnosis of system malfunctions. Shows how to identify electronic vs. mechanical problems. Demonstrates how to check the PCV and EECS systems. Shows how to look for degraded, contaminated, and defective oxygen sensors. Demonstrates EGR and catalytic converter checks. 17 mins.

CAR409 
AUTOMOTIVE MEASUREMENT
Video
Examines how to use the precision measuring tools essential to auto mechanics. Demonstrates the use of micrometers, dial indicators, feeler gauges, plastigauges, dial bore gauges, straight edges, and other tools essential to the trade, while showing actual auto part measurements. 33 minutes.

CAR411 
EMISSION CONTROL SYSTEMS
Video
This program summarizes the operation of automobile emission systems, including parts, terminology, and measuring controls. The use of live action, cutaways, and computer animation explains and details how PCVs, EGR, catalytic converters, air, traction, and other systems function. 24 minutes.

CAR415 
USING A LOAD TESTER
Video
Through the use of 3D animation and live action, this video shows how to use typical load testers. Battery, alternator, starter, and other tests are demonstrated on both analog and digital load testers. The animation shows what is happening inside the tester and circuit during each test. 25 minutes