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Cavalier L4-144 2.4L DOHC VIN T SFI
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Powertrain Management
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Scan Tool Testing and Procedures
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Scan Tool Data, Normal Values and Definitions
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Scan Tool Data Definitions - Powertrain Systems
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KS Retard
KS Retard
0-90 Degrees
The
Knock Sensor
(
KS
)
retard indicates the amount of spark advance (IC) the
PCM
is removing from in response to the knock sensor (KS) signal.