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1999
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Grand AM L4-144 2.4L DOHC VIN T SFI
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Scan Tool Data Definitions - Powertrain Systems
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Adaptive Knock Retard
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.