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Pontiac
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2001
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Sunfire L4-144 2.4L DOHC VIN T SFI
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Repair and Diagnosis
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Powertrain Management
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Testing and Inspection
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Initial Inspection and Diagnostic Overview
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- Standard Model (Non-Alternative Fuels)
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Scan Tool Diagnostics
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Scan Tool Data Definitions
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Knock Retard
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.