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Home >> Chevrolet >> 2001 >> Impala 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, Normal Values and Definitions >> Scan Tool Data Definitions - Powertrain Systems >> EGR Position Variance
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EGR Position Variance

The scan tool range is 0 to 100 percent. This parameter indicates the difference between the desired EGR position and the actual EGR position currently being monitored by the PCM.
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