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Copyright by Goodheart-Willcox Co., Inc.
Contents
Chapter 1
Introduction to Engine Performance
and Driveability . . . . . . . . . . . . . . . . . . . . . . 13
Changes to the Automobile 14
Redesigned Vehicle Bodies 14
Aerodynamic Designs; Unibody Construction
Effi cient Engines 16
Lower Displacement; More Horsepower from
Smaller Engines
Improved Drive Train Design and Control 17
Additional Transmission Gears; Effi cient Torque
Converters; Higher Final Drive Ratios; Front-Wheel
Drive
Computer Control 19
Improvements in Fuel Delivery 20
Turbochargers and Superchargers 20
Emission-Control Systems 21
Computer Control; Advances in Troubleshooting
Emission Controls
Improved Manufacturing 21
New Technologies 22
Hybrid Vehicles; Fuel Cell Vehicles
What Is Driveability? 23
What a Tune-Up Means Today 25
Troubleshooting 25
Chapter 2
Safety and Environmental Protection . . . . . . 29
Importance of Safety 30
Causes of Accidents; Preventing Accidents
The Technician and the Environment 35
Proper Waste Disposal; Proper Service Procedures
Chapter 3
Tools, Test Equipment,
and Service Information . . . . . . . . . . . . . . . . 39
Basic Diagnostic Tools 40
Gap Gauges; Vacuum Gauge; Vacuum Pump;
Compression Gauge; Dynamic Compression Tester;
Cylinder Leak Tester; Fuel Pressure Gauge; Back
Pressure Tester; Ignition Spark Testers; Noid Lights;
Computer Memory-Retaining Tool; Borescope and
Stethoscope; Temperature Tester
Basic Electrical Test Equipment 45
Jumper Wires; Test Light
Multimeters 47
Ohmmeter; Voltmeter; Graphing Multimeter; Timing
Light; Vacuum Leak Detectors
Scan Tools 49
OBD I Scan Tools; OBD II Scan Tools; Personal
Computers and Personal Digital Assistants; Flasher
Modules; Breakout Boxes