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Backpressure gauge
Basic test
Drive cycle
Emissions test
Enhanced emissions
test
Exhaust gas analyzer
Idle-only test
IM 240 test
Pass/fail test
Pressure test
Repair cost–waiver
program
Saddle clamps
Smoke machine
Static emissions test
Transient test
Two-step idle test
Vacuum gauge
Know These Terms
373
Diagnosis and
Repair of the
Emission Control
and Exhaust
Systems
Chapter
18
After studying this chapter, you will be able to:
Describe common state emissions-testing programs.
Diagnose problems with components in the emission control system.
Perform a drive cycle.
Diagnose problems in the EGR system.
Diagnose problems in the evaporative emission control system.
Perform an exhaust gas analysis.
Replace components in the emission control system.
Diagnose problems in the exhaust system.
Replace components in the exhaust system.