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Home >> Chevrolet >> 1999 >> Venture 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 Range 0% to 100%. Represents the PCM commanded PWM duty cycle of the Exhaust Gas Recirculation (EGR) valve. 0% displayed indicates no EGR; 100% displayed indicates full EGR.
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