4. Turn the ignition key on to pressurize the
system. Then, turn the ignition key off.
5. Press the injector balance tester button
while watching the pressure gauge drop.
6. Record the pressure drop reading.
7. Repeat this on the other fuel injectors. This
will allow you to measure how much fuel
each injector is feeding into the engine
when energized.
Troubleshooting Charts
Troubleshooting charts have been added to the end of
each service chapter. These charts will help the reader
diagnose and repair common problems.
Duff’s Garage
This feature is designed to help reinforce logical
troubleshooting techniques. Each Duff’s Garage presents
a common automotive problem, details the procedure for
pinpointing the source trouble, and provides an overview
of the necessary repairs.
Accident Report, Customer Care, Highway
History, Industry Trends, Workplace Skills,
and Focus on Hybrids Features
The new edition of the text contains a variety of fea-
tures designed to generate interest in the field of automo-
tive technology and cultivate the skills needed to succeed
as an automotive technician. These features include:
Industry Trends—Highlights new and emerging
technologies in the automotive industry.
Workplace Skills—Helps cultivate the skills needed
to become a successful automotive technician.
Customer Care—Helps develop skills required to
effectively interact with customers.
Highway History—Chronicles important milestones
in the automobile industry.
Accident Reports—Emphasizes the importance of
working safely.
Focus on Hybrids—Highlights the technologies used
in hybrid gas-electric vehicles.
Color Use
Color is used extensively throughout this text to
enhance understanding and highlight important informa-
tion. In illustrations, dark yellow is used for primary
emphasis in illustrations and blue is used for secondary
emphasis. Other colors are used as needed to help clarify
the illustrations. For example, red arrows are often used
to show motion. Color is also used to represent different
pressures, states of matter, temperatures, etc.
Enhancing the Text
To aid in the learning process, a comprehensive work-
book and a shop manual have been created. These items
are designed to be used with this text.
The workbook contains a variety of questions that
correlate with the text and a number of jobs that are
related to specific service or repair procedures.
The shop manual complements the material presented
in this textbook. It contains 177 step-by-step jobs cov-
ering the most vital tasks listed in the NATEF Task List.
Both the workbook and shop manual can be purchased
directly from Goodheart-Willcox Company, Inc.
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