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Home >> Pontiac >> 2000 >> Grand AM V6-3.4L VIN E >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data Definitions - Powertrain Systems >> EGR Duty Cycle
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EGR Duty Cycle

Scan tool displays 0-100 percent. Represents the EGR valve driver PWM signal from the PCM. A duty cycle of 0 percent indicates that no EGR flow is being commanded. A 100 percent duty cycle indicates that maximum EGR flow is commanded.
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