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Home >> Pontiac >> 1999 >> Sunfire L4-2.2L VIN 4 >> 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 Scan Tool Data Definitions >> Adaptive Knock Retard
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Adaptive Knock Retard

Range - 0-90 Degrees
The Adaptive Knock Retard indicates the long term amount of the spark advance the PCM removes from the Ignition Control (IC). The PCM responds to the Knock Sensor (KS) signal.
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