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Home >> Buick >> 2001 >> LeSabre V6-3.8L VIN K >> 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 >> Engine Speed
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Engine Speed

Scan tool range 0-9999 RPM. Engine speed is computed by the PCM from the 3X reference input. It should remain close to desired idle under various engine loads with engine idling EVAP Fault History: Scan Tool displays No Fault, Excess Vacuum, Purge Valve Leak, Small Leak, or Weak Vacuum.
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