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Home >> Chevrolet >> 1999 >> C 2500 Suburban 2WD V8-6.5L DSL Turbo VIN F >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Scan Tool Testing and Procedures >> Scan Tool Data, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> EGR Duty Cycle
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EGR Duty Cycle

Range 0-100%:
The PCM cycles the EGR solenoid PWM ON and OFF. The ON time (duty cycle) of the EGR solenoid valve is expressed as a percent. The EGR pulse width modulated solenoid meters the vacuum level at the EGR valve actuator as commanded by the PCM.
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