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Home >> Chevy Truck >> 2000 >> S10/T10 P/U 2WD L4-2.2L VIN 5 Flex Fuel >> 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 >> Purge Learn Memory

Purge Learn Memory

Range 0.00-1.00: The purge learn memory is a display of the PCM adding or subtracting the fuel. The purge learn memory is based on the EVAP purge. This number is added to the fuel trim calculations. The fuel is added or subtracted there. A number near 1 indicates that the fuel is being added to the fuel trim. A number near 0 indicates that fuel is being taken away from the fuel trim.
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